(Part 2) Reddit mentions: The best paper trimmers & blades
We found 125 Reddit comments discussing the best paper trimmers & blades. We ran sentiment analysis on each of these comments to determine how redditors feel about different products. We found 52 products and ranked them based on the amount of positive reactions they received. Here are the products ranked 21-40. You can also go back to the previous section.
21. Flexzion Guillotine Stack Paper Trimmer Cutter 12 Inch A4 Professional Industrial Heavy Duty Scrapbooking Metal Base Trimming Machine 400 Sheet Capacity for Office Commercial Photocopy Printing Shop
- Extra long cutting handle bar increases leverage - Cut as much as 400 sheets of paper effortlessly
- Easy to Operate, Sturdy, Heavy Duty Construction
- Non Skid pads for table top use
- Optional Heavy Duty, Well Balanced, Sturdy Stand
- Professionally machined and assembled steel blade rail and sturdy blade assembly
Features:
Specs:
Color | Beige |
Height | 10 Inches |
Length | 24 Inches |
Size | 12" Paper Cutter |
Weight | 35.6707939916 Pounds |
Width | 18 Inches |
22. Katoot@ Popular Useful A4/A5 Precision Paper Photo Trimmers Cutter Scrapbook Trimmer Lightweight Cutting Mat Machine for Home Office
- Adjustable tablet tripod mount adapter fits any 7" to 9" diagonal screen size tablet;
- Mount your tablet to a Tripod, Monopod, Selfie Stick, or any tripod with standard standard 1/4"-20 thread;
- Supports iPad mini in both portrait & landscape orientation. Supports phablets and Samsung Tab 7.0 series in portrait orientation. Supports iPad 2/3/4/Air/Air2 only in lanscape orientation. Supports large phones (phablets) in portrait orientation, including iPhone 6 plus(not support iPhone 6), Samsung galaxy note 2, 3, 4, LG G3, Google Nexus 6, etc. The phone must width larger than 7cm;
- Additional Friction Pad for your use when tablet is thin or ultra thin,increaing the friction between holder and tablet to prevent your tablet from slipping out or falling down;
- Easy adjustable width, with easy and secure lock. Fits a lot tablets - including Apple iPad, Samsung Galaxy Tab all models, etc.
Features:
Specs:
Weight | 0.35 Pounds |
23. Paper Trimmer, 18", 18 Sheet Capacity, Brown/Black, Sold as 1 Each
Solid-wood base guillotine style trimmer.
Specs:
Color | Brown/Black |
Height | 22.04 Inches |
Length | 6.29 Inches |
Weight | 19.68 Pounds |
Width | 29.52 Inches |
24. X-ACTO Nonrefillable Blade Dispenser, 15 per Pack (X411)
Safe way to keep and dispense blades.Contains 15 precision-crafted carbon blades.Slot for used blades.Nonrefillable.Pack of 15Carded, safety dispenser of 15 bladesPrecision crafted of the highest quality carbon and stainless steelHard, sharp points and finely honed cutting edgesSharp angle for detai...
Specs:
Color | Putty |
Height | 4 Inches |
Length | 7.25 Inches |
Number of items | 1 |
Size | #11 Blade 15 count |
Weight | 0.0440924524 Pounds |
Width | 6 Inches |
25. Amzdeal Heavy Duty Manual Guillotine Paper Cutter Trimmer Machine (17inch -A3)
All heavy duty steel baseEasy control cutting handle barClamp wheel for better holding the thick papersRuler in inches and clear embossed grid for precise cuttingAdjustable backstop with lock for holding paper well
26. X-ACTO X-Life #11 Classic Fine Point Blades, Bulk Pack, 100 Blades per Box (X611),Silver
- Change blades frequently for safer and more accurate cutting
- Assorted steel blades are ground to a surgical edge for precision cutting.
Features:
Specs:
Color | Stainless Steel |
Height | 0.75 Inches |
Length | 5.375 Inches |
Number of items | 1 |
Release date | July 2020 |
Size | X-Life 100 count |
Weight | 0.05 Pounds |
Width | 2.5 Inches |
27. Westcott 15106 12" TrimAir Titanium Wood Guillotine Paper Trimmer
Attractive, contemporary design featuring a natural wood baseEasily slices through 30 sheets of 20lb paper at a timeProprietary titanium bonded blade technology keeps the blade sharper longerSafety guard for added protectionComfortable ergonomic handle features anti-microbial protection. Dimensions ...
Specs:
Color | Black |
Height | 23.5 Inches |
Length | 5.1 Inches |
Number of items | 1 |
Release date | April 2018 |
Size | 12-inch |
Weight | 1 Pounds |
Width | 16.3 Inches |
28. Fiskars Paper Trimmer 12 Grey
Compact and lightweight for easy transportation and storage.Full 12" Cut Length.Swing-out ruler provides accurate measurements up to 15".
29. Fiskars SureCut Portable Paper Trimmer, 12 Inch Cut
- 12" personal paper trimmer, bend-resistant rails and aluminum alignment grid.
- Sleek, space-saving design features durable rails that won't bend or bow, so you get a straight, true cut every time.
- Compact 12" trimmer is ideal for home office or craft projects.
- Easy-to-read aluminum measuring grid for proper alignment and accurate cuts.
- Self leveling swing out arm
Features:
Specs:
Color | Orange |
Height | 1.5 Inches |
Length | 17 Inches |
Number of items | 1 |
Release date | November 2018 |
Size | 12 Inch Cut |
Weight | 0.82 Pounds |
Width | 7 Inches |
30. Dahle Vantage Paper Trimmer, 12", 15", 18" Cut Lengths, 15 Sheet, Automatic Clamp, Adjustable Guide, Metal Base with 1/2" Gridlines, Guillotine Paper Cutter
31. Dahle 552 Professional Rolling Trimmer 20" Cut Length 20 Sheet Capacity Self-Sharpening Automatic Clamp German Engineered Paper Cutter
- Self-sharpening blade cuts in both directions
- Ground steel blade is encased in protective housing for safety
- Automatic clamp holds work securely and prevents shifting
- Sturdy metal base provides solid foundation
- German engineered for precision and accuracy
Features:
Specs:
Color | Blue, Gray |
Height | 3.25 Inches |
Length | 28.7 Inches |
Number of items | 1 |
Release date | June 2019 |
Size | EACH |
Weight | 7.5 Pounds |
Width | 15.5 Inches |
32. Work4U 9 Inch Paper Trimmer, A5 Portable Scrapbooking Trimmer, Green
- Ideal for all your scrapbook page trimming task.
- Good help to cut a wide variety of crafting materials, paper, photos, scrapbook pages, to make greeting cards, gift cards, wedding invitations, collage, etc.
- Swing-out ruler provides accurate measurements. You can cut to desired length.
- Cut up to 8 sheets /80gsm, 10 sheets /70gsm at one time.
- Alignment grid and dual scale ruler for desired length and right angle.
Features:
Specs:
Color | Green |
Height | 4.33 Inches |
Length | 11.02 Inches |
Size | A5 |
Weight | 0.40124131684 Pounds |
Width | 0.79 Inches |
33. Swingline Paper Trimmer, Guillotine Paper Cutter, 24" Cut Length, 15 Sheet Capacity, ClassicCut Ingento (1162)
DURABLE CONSTRUCTION – Ingento guillotine-style trimmer delivers dependable performance. Built strong, with a solid maple base, die-cast metal arm and self-sharpening steel blade.24" CUTTING LENGTH – Features a 24” cutting length, allowing plenty of space to accommodate creative projects. Soli...
Specs:
Color | Maple |
Height | 5.6 Inches |
Length | 38.2 Inches |
Number of items | 1 |
Release date | December 2018 |
Size | 24" Cut Length |
Weight | 0.06 Pounds |
Width | 28.2 Inches |
34. Design Toscano SP0427 Desk-Sized Guillotine,silver,Desk Size
Dimensions: 5"Wx4"Dx5.5"H 1 lbs.Quality foundry cast iron collectible crafted using age old techniquesEach piece is individually hand-finished by our artisansExclusive to the Design Toscano brand and perfect for your home or gardenIncludes a harmless chopping blade
Specs:
Color | Silver |
Height | 5.5 Inches |
Length | 4 Inches |
Number of items | 1 |
Size | Desk Size |
Weight | 2.425084882 Pounds |
Width | 5 Inches |
35. EasyCut Replacement Blades, Standard, 81pc, 09703
- Replacement Blades for any Easy Cut Safety Box Cutter
- Cuts Boxes , Cork , Tape , Paper , Rubber
- With Used Blade Disposal Box
- Prevents user injury
- No-chip quality steel
Features:
36. ELMERS X-Acto 12" Base Guillotine Style Plastic Paper Trimmer, 10 Sheet Capacity, Black (26232), Base Trimmer, Standard Packaging
X-ACTO Perpetual Edge Self Sharpening SystemTrigger lock safety latchBuilt-in Carrying HandleEnglish and metric paper guidesThe X-ACTO guillotine style paper trimmer is an essential tool for hobbyists, craft artists, photographers or anyone needing to make multiple precision cuts for a perfectly str...
Specs:
Color | Black |
Height | 4 Inches |
Length | 13.5 Inches |
Number of items | 1 |
Release date | November 2019 |
Size | 12-Inch |
Weight | 1 Pounds |
Width | 19.75 Inches |
37. AmazonBasics Paper Trimmer - 12-Inch Blade, 10 Sheet Capacity
- Everyday portable paper trimmer with 12-inch guillotine-style, self-sharpening steel blade; ideal for home or office
- Cleanly cuts up to 10 sheets of 20-pound paper at a time; sharp enough to accurately trim cardstock, construction pap...
- Guardrail keeps fingers a safe distance from the blade; when not in use, trimmer arm can be secured in place, fully h...
- Durable plastic base with white 1/2-inch gridlines (0.5 by 0.5 inches) and a printed ruler (in inches and cm) that al...
- Measures 20.5 by 13.5 by 2.5 inches; weighs 2.5 pound; backed by an AmazonBasics 1-year limited warranty
Features:
Specs:
Height | 2.5 Inches |
Length | 20.5 Inches |
Release date | June 2019 |
Size | 12" |
Weight | 2.5 Pounds |
Width | 13.5 Inches |
38. Cobee Paper Cutter A4 Portable Personal Titanium Paper Trimmer Sliver
- Sleek, lightweight & portable. Designed for standard cutting of paper, photos and labels
- Perfect for cutting straight lines The sharp blade is ideal for typical, daily trimming needs
- Simply measure and line up your papers to get the exact same, flawless trimming results each time.
- Manual paper clamp and cutting line indicator delivers accurate, precise cuts and ease of use.
- No touch safety design protects fingers away from any dangerous operation. And cutting head could be changed with Replacement.
Features:
Specs:
Color | Silver |
Height | 3.74 Inches |
Length | 13.78 Inches |
Width | 0.79 Inches |
39. X-Acto Retract-A-Blade No. 1 Knife (X3204)
- Ideal for precision cutting and trimming of paper, plastic, balsa, thin metal, cloth and film
- Offers a metal core construction for durability
- Features a safe, retractable no. 11 blade
- Provides extra control with soft, triangle-shaped comfort grip
Features:
Specs:
Color | Blue |
Height | 8.75 Inches |
Length | 2.75 Inches |
Number of items | 1 |
Weight | 0.04 Pounds |
Width | 0.55 Inches |
40. Dahle A4 Personal Trimmer Cutting Units for Different Cut Shapes 320mm Cutting Length/ 0.6mm Cutting Capacity - Blue
- Printed table with rule and standard paper formats
- Enclosed ground blade for safe use
- Automatic clamping on the cutting line
- Cuts up to 5 sheets of 80gsm paper; For fast trimming of paper, photos or film up to DIN A3 format
- Four clip-in decorative-cut cassettes for wavy cuts; Deckle-edge cut
Features:
Specs:
Color | Blue |
Height | 2.9527559025 Inches |
Length | 20.078740137 Inches |
Release date | January 2012 |
Size | 320mm Cutting Length/ 0.6mm Cutting Capacity |
Weight | 2.8880556322 Pounds |
Width | 8.661417314 Inches |
🎓 Reddit experts on paper trimmers & blades
The comments and opinions expressed on this page are written exclusively by redditors. To provide you with the most relevant data, we sourced opinions from the most knowledgeable Reddit users based the total number of upvotes and downvotes received across comments on subreddits where paper trimmers & blades are discussed. For your reference and for the sake of transparency, here are the specialists whose opinions mattered the most in our ranking.
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Section 1: Tools
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Note: Just because it is more expensive doesn't mean it is better. You could get by just fine with the "cheaper" options.
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| Tool | Required vs. Optional | Use | Notes | Price & Link |
|:---|:---:|:---|:---|:---:|:---:|
| Tandy Wholesale Membership | O | Allows you to get better pricing at Tandy. | This is definitely optional. Items will cost slightly more without it OR if you have a tax ID you can get the membership with better pricing for free. | $35 / Free|
| Awl Haft | R | The handle which will hold your blade. | This particular haft allows for different blades to be added or removed with ease. | $16 / $35|
| Diamond Awl Blade| R | This is the blade used for piercing the holes in your projects.| This goes in the awl haft.| $4.80 / $28
| Channel Groover | R | Used to measure and gouge channels where your thread will lay. | Some say gouging a channel is optional however I find it to be required. It further protects your thread from damage. | $16 / $80 |
| Overstitch Wheel | R | Marks where you will punch your holes. | This particular overstitch wheel is a few dollars more than the versions that only offer one wheel. | $24 / $225 |
| Edge Beveler | R | Used to bevel and round off the edges of your project prior to burnishing. | Sizes vary. The smaller the number, the smaller the round edge. | $12 / $55 |
| Adhesive Glue | O | Used to hold your pieces of leather together prior to piercing the holes. | Some people prefer binder clips instead of glue. I've found that the clips end up making marks on my projects so I've always stuck with glue. | $6 / $30 |
| Gum Tragacanth | R | Used as a burnishing agent for your edges.| Some people use saddle soap. I prefer gum trag.| $6.40 / $21|
| Harness Needles | R | Used in combination with the thread for your projects. | Avoid the stitching needles. They break very easily.| $5.99 / $7.50 |
| Xacto Blade | R | Used for cutting projects. | You may have one of these at home already. Be ready to have replacement blades handy ($21.95) | $2.49 / $50 |
| Self-Healing Cutting Mat | R | Used for cutting your leather projects.| You may have one of these at home already. If so, you can obviously use that.| $14.73 / $50.80 |
| Cork-backed Ruler| R | Used for cutting straight lines.| I highly recommend the cork-backed version. It will save from accidental cuts/slips.| $4.80 / $14 |
| Burnishing Tool | R | Used in combination with the gum tragacanth to get a good burnish.| A good piece of canvas can be used as well. | $8.99 / $80 + $99|
| Sanding Tool| O | Used to sand down the edges prior to burnishing.| You might have sandpaper at home. Feel free to use that too.| $7.30 / $0 with dremel|
| Steel Square | O | Used for creating nice, even squares/rectangles for projects. | Learn to use this correctly!| $8 / $14|
| Thread Cutters | O | Use these for cutting your thread in the hard to reach places without running the risk of damaging your project. | Scissors work for cutting thread and the xacto blade can work for cutting thread inside your projects -- just be careful! | $3.95 / $39 |
| Maul | O | Used for end punches, rivets, snaps, chisels, or irons. | You really only need one of these if you are planning on doing any of the activities mentioned previously. | $20 / $55 |
| Pricking Iron/Chisel | O | Use these to mark or punch your holes instead of an overstitch wheel and awl. I prefer using the overstitch wheel and awl but others like the irons/chisels. | There is a big difference between irons vs. chisels, diamond vs. lacing. They all produce different results. Definitely ask before purchasing! The ones I linked are very different.| $12 / $259|
| Creaser | O | Used for decorative creases on things like card slots. | Definitely optional and definitely personal preference. | $14.40 / $72 |
| Wax | O | Used for burnishing. Gives the edges a nice seal. | The $10 is my top secret wax I use. I bought a bunch on sale for $5 and it is fantastic. | $4 / $10|
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I've had mine for a few years (didn't buy it for my current project), but I think it was this one or something like this one:
https://www.amazon.com/gp/product/B01174H37K/
Mine is by no means a high quality cutter (it's a little off true), but with a little caution it works fast and easy. Just make sure you get one that's fairly large (the little ones intended for cutting four or five sheets at a time will not work. Any A4 or larger guillotine cutter should work with a little fiddling.
Based on the middling reviews on mine, you might be better off with this one: https://www.amazon.com/HFS-Heavy-Guillotine-Paper-Cutter/dp/B00NO7PYYI/
Ideally, something like this is fantastic. It has a rotary blade which cuts more like scissors than slicing the paper. It's smoother and straighter, and you can buy other blades to use with the same system that can cut different edges, like a wave.
A cheaper version is something like this. I own this tool, but plan to upgrade to a rotary style soon. This tool may not always cut exactly straight, but I personally think it is better than the chopping style.
Also, with sliding/rotary type tools, you're less likely to lose any bits of your fingers than you would be with a chopping style cutter.
Yes! Our entire cost for the photo booth was around $200 -
$80 for a canon selphy photo printer (ebay)
$50 for the simple booth app
$10 for an iPad tripod
$10 for a photo cutter
$20 for extra printer paper (we had about 80 guests and still have some left over)
$25 for photo booth ['accessories']
(https://www.amazon.com/Graduation-Birthdays-Accessories-Christmas-GreenLF/dp/B074DZT2JM/ref=sr_1_8?s=electronics&ie=UTF8&qid=1519329542&sr=1-8&keywords=photo+booth+props)
We already had the box lights but you can find a set of two for around ~$50.
You can do it cheaper if you don't want to print photos... I really wanted to have doubles of every strip for our guestbook. We had guests tape their 'extra' strip into a paper scrapbook and write little notes. It's one of my favorite mementos.
You can also set up the app to email/text photos guests, in addition to sending copies to a dropbox or a tumblr and then you could share the link with guests.
It was really simple and so much cheaper than any professional service I researched.
The two most common devices for automatic cutting on the consumer market are the cricut and Silhoutte Cameo. It's fairly straight forward to just cut squares out of the box, but it might not save you any time over a paper guillotine.
Also, I'd recommend just getting spray glue and making a mask for the gluing part. Spray glue is the best.
Do not huff the spray glue.
The sidebar has some great info on tools and what to do. Get an exacto knife and plenty of blades, get a self healing cutting mat, get some cardstock to print onto for a sturdy model, get some Aleenes tacky glue. Print the model onto the cardstock and then carefully and slowly cut it out. Fold the tabs, glue with the tacky glue (only takes 30 seconds to a minute to attach firmly) and continue! Take your time and cut as accurately as possible in order to get the best result..
I'm in the UK but I've got one similar to http://www.amazon.com/Amzdeal-Guillotine-Capacity-Commercial-Photocopy/dp/B00BQGK1FQ?ie=UTF8&keywords=A3%20Guillotine&qid=1464348535&ref_=sr_1_4&sr=8-4
I've used it to cut 3mm millboard with some success (it cuts cross grain beautifully but along the grain needs some packing underneath and careful clamping)
I had to adjust the clamp on mine after arrival as it was causing the stack of paper to shift when cutting and end up being undercut, it's a 5 min fix though.
I went to staples and bought a slide cutter.
​
https://www.amazon.com/Fiskars-SureCut-Portable-Paper-Trimmer/dp/B000OMYB18/ref=pd_sbs_229_2/132-5103649-4317965?_encoding=UTF8&pd_rd_i=B000OMYB18&pd_rd_r=ea2eea45-752a-11e9-a70e-fdfd69152f1b&pd_rd_w=XauCU&pd_rd_wg=I3OCF&pf_rd_p=588939de-d3f8-42f1-a3d8-d556eae5797d&pf_rd_r=HSFEGFBQ1A4B4N10CQ5B&psc=1&refRID=HSFEGFBQ1A4B4N10CQ5B
One of these, and it was really easy to cut in straight lines with.
I mean like an office paper cutter
https://www.amazon.com/Dahle-Automatic-Adjustable-Gridlines-Guillotine/dp/B07CL9C6CR
Like this, but with a lot more protection around the blade top keep it from cutting anything more than a fingertip.
Does it have to be electronic? Because that seems like overkill. I'd just pickup something like https://www.amazon.com/Westcott-ACM15106-Guillotine-Anti-Microbial-Protection/dp/B0058TW286 and be done. Or just order paper that's already cut in half.
Here's all the files you'll need.
For the paper, I just use standard 8.5x14" Legal paper. My printer has a duplexer, but it won't duplex legal, so I had to do a manual duplex (flipping the paper over by hand and printing everything again). The cover is 65lb Bristol Board and was manually duplexed as well.
My books have 10 pages in them, which is made by two sides of 5 sheets of paper. The pages print 2-up per page and they are cut down the middle long-ways, that way when you fold them in half, the score sheet appears on the front page and the notes page ends up on the back of the score sheet. 5 sheets of paper make two books. I have a paper cutter that can cut the full length of the legal sheet, but if you don't, you can simply use a straight edge and a razor blade, or if you have a regular paper cutter, you can just fold the pages in half on the short edge, then cut them in half on the long edge.
Once everything is stapled, I round the corners using a corner cutter. Here's a cheaper corner cutter, but it can't handle the whole book at once. I have both of those corner cutters, and the cheaper one comes in very handy for other projects I do.
In that link is both Trap and Skeet books. I have a doubles sheet, but I need to finish the cover. Once I get done with it, it'll be in that link as well.
Yes. You can even borrow office supplies if you have a waist high table.
I usually laminate and then cut - especially for things like tickets. I use a paper cutter like this https://www.amazon.com/JIELISI-Paper-Trimmer-Portable-Scrapbooking/dp/B00LX3QKN4/ref=sr_1_5?s=arts-crafts&ie=UTF8&qid=1502450207&sr=1-5&keywords=sliding+paper+cutter . It makes cutting faster and more precise.
It would be if it would accept a 24" wide sheet. Until then, this is the old standby.
I'm not willing to spend three times the game price for an add-on like this. But if I was this is what I'd get.
https://www.amazon.com/gp/aw/d/B001QYE6W2
Would maybe one of those large paper cutters work? Like this but wooden one
https://www.amazon.com/Westcott-ACM15106-Guillotine-Anti-Microbial-Protection/dp/B0058TW286/ref=mp_s_a_1_3/146-1323878-0991514?ie=UTF8&qid=1541203931&sr=8-3&pi=AC_SX236_SY340_QL65&keywords=art+paper+cutter&dpPl=1&dpID=41acuiLT%2BYL&ref=plSrch
EasyCut Replacement Blades, Standard, 81pc, 09703 https://www.amazon.com/dp/B07NXVV4DH/ref=cm_sw_r_cp_api_i_rCNWCbPHQ37NF
Link to blades on amazon!
Does anyone know if #11 blades will fit in the Tamiya Design Knife (74020)?
I lost my replacement blades for the Tamiya, so was wondering if these will work
Ten bucks:
https://www.amazon.com/ELMERS-X-Acto-Retract--Blade-Blue-X3204/dp/B007XZTC90
Tipo questa? ^^mobbasta ^^però
Here is the mobile version of your link
THEY ONLY HAVE TINY ONES
Guillotine model kit
Another guillotine model kit
Yet another guillotine model, not a kit
Time to get a paper slicer.
http://www.amazon.ca/X-Acto-X611-Blades-Knives-Bulk/dp/B00006ICJV
these are what i use (blue) i ordered them from S&T office products, havnt seen them anywhere else really i ordered a 100 pack probably a year ago and still have 60 or so id say they last 5x longer then the normal colored ones
the black blades i havnt seen in xacto form, only in the flat razors ...opp did a search http://www.artistsupplysource.com/product/20549/cutting-tools/art-knives-and-blades/x-acto-no-11-carbon-steel-blade-blister-carded-pack-of-5/ CARBON STEEL :OOOOO
Here ya go fam.
I use this paper cutter. I can generally get about 5 index cards at a time, so that's reducing your number of cuts by 80%. Plus, it has a guide so you get the same measure each time.
As far as cutting down to size, the software should appropriately position and size the photo (head to chin distance, etc.) with your assistance. It'll be a tool like this on the kiosk. The issue is that it will print on a 4x6 and then you have to cut the frame of the photo out to the 50 mm wide X 70 mm high.
If they can print the photo you could always cut them out yourself using a tool like this to get a consistent straight edge.
Of course, if you use the online tool, you can print 10 copies with four photos each for $6 (10 prints at 60 cents per 4 x 6"). The way the tool works is that it prints the four photos all right next to each other with a lip at the bottom. Only three cuts would be required (between top and bottom photos, between left and right photos, white lip at the bottom).
Why print ten copies? To save you time/gas going back to CVS if you make a mistake cutting some of them.
Once cut, you'd just need to label the back with the passport info and Citizenship photo requirements.
However, the requirements technically state that the photos must be taken by a commercial photographer and not just printed. So I would try to get the photo taken by the CVS worker and then printed at the kiosk. It's their responsibility to cut it correctly and guarantee the photos (that's why 2 photos cost $15, they refund or re-take the photos if they're rejected), and the software that CVS licenses provides an option to size/validate the photos according to the requirements.
And then self-size/print on 4x6 at CVS/label yourself as a last resort.
Yes it does dull over time. It is rather significant. However, even with a slightly dulled blade, it cuts the flash off just fine. The parts you want to remove are almost always weaker/thinner than the actual detail on the miniature, so you can casually remove the excess with ease.
Plus, much of the 'cutting' power of the knife doesn't rely on it being super-sharp, it requires a simple blade and pressure. I find I cut myself much less often when using slaightly dulled blades.
Sharpening isn't necessary. Replacement blades are really cheap, and you don't have to get X-Acto brand blades.
http://www.amazon.com/X-Acto-X611-Blades-Knives-Bulk/dp/B00006ICJV/ref=sr_1_3?ie=UTF8&qid=1367812873&sr=8-3&keywords=xacto+blades
http://www.amazon.com/Techni-Edge-11-Hobby-Blades/dp/B0006GBSXG/ref=sr_1_1?ie=UTF8&qid=1367812873&sr=8-1&keywords=xacto+blades
http://www.amazon.com/Fiskars-96017197-Craft-Knife-Blades/dp/B0033PORF8/ref=sr_1_1?ie=UTF8&qid=1367813009&sr=8-1&keywords=craft+knife+blades
I'm also into Gundam models and I went through the same thing a while back.. I probably tried a dozen types of side cutters until I found ones that work. The problem is many of the jewelers cutters don't have a straight edge, since they are designed to cut metal. So even if the edge of the blade is flush with the piece you cut, you still get end up with some plastic attached.
These are by FAR the best ones I've found: https://www.amazon.ca/dp/B002SZVE8M/
The blades are very sharp, and they're small enough to get into tight spaces. I would suggest you order a couple pairs. These even blow away the Tamiya cutters you posted (I bought those too and they sit in a drawer unused).
Note that regardless of how close you get the cut, you will still need to cut / file away the extra plastic bit on the piece. I use an x-acto knife with the following blades: https://www.amazon.ca/dp/B00006ICJV
Then use a series of finer files to get the piece smooth.