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T O P I C    R E V I E W
JayRs Posted - 10/28/2017 : 12:13:50 PM
I'm just starting out building some craftsman kits and trying to develop the needed skills. One of these is to accurately cut wood or plastic sheet goods. The three basic cuts I'm thinking about are 1) a straight cut, 2) a two sided interior cut (think of a "L", and 3) and interior box (think a window cut out).

Any help/suggestions would be greatly appreciated.

Thanks- Jay
14   L A T E S T    R E P L I E S    (Newest First)
quartergauger48 Posted - 10/30/2017 : 9:25:43 PM
That is the same one I use Dave'..works great and like you said...NO splitting'...Never'...And 0 Zero hand pressure required for cutting...
mabloodhound Posted - 10/30/2017 : 2:53:24 PM
I use the OLFA artist knife with the 30 snap-off blades. A thinner blade than a #11 and doesn't "spread" the wood when cutting. https://www.amazon.com/OLFA-9150US-Stainless-Auto-Lock-Graphics/dp/B000BKA6IA
quartergauger48 Posted - 10/29/2017 : 3:17:09 PM
Originally posted by ed k

Ted probably bought his Duroedge 30 years ago.

Today's Amazon pricing is as follows.
8 inch 17.00
13.5 inch 24.00
19.5 inch 30.00
25.5 inch 44.00


Actually Edward', I bought it 3 years ago' 8 inch..$8.00 bucks. Amazon has been increasing their prices. How do think Jeff Bezos is now the richest man and King of the world'..

Tony, Woodpecker, nice stuff, but a little pricey for modeling'...
ed k Posted - 10/29/2017 : 2:29:45 PM
Tony, Good information. Thank you. A use the triangle most of the time.
Nelson458 Posted - 10/29/2017 : 07:57:15 AM
Some tools I buy are from Woodpeckers. These tools are all hand made using CNC machines, and are extremely accurate.

One I like is their T-square.

They are a little expensive, but the quality is top notch. Watch their video, gives you a good idea on how they work. The 12" would be my choice for modeling, the longer ones for woodworking (which I also do).

They have a lot more tools of which many I use on my models only.

A good one I didn't know they has is:
A square:

They also have a "one-time tool" which is a limited production. The last one I bought is their triangle:

Just thought I'd share.

Nelson458 Posted - 10/29/2017 : 07:46:03 AM
An alternative to those scales is an aluminum triangle scale that Engineers use. Staedtler has one on Amazon for $6.51

Staedtler 12-Inches Engineer Aluminum Triangular Scale


and another by OCM for $12.99 at
ed k Posted - 10/29/2017 : 12:57:58 AM
Ted probably bought his Duroedge 30 years ago.

Today's Amazon pricing is as follows.
8 inch 17.00
13.5 inch 24.00
19.5 inch 30.00
25.5 inch 44.00

quartergauger48 Posted - 10/28/2017 : 11:20:50 PM
Jay, take a look at the "ZONA" graphic artists knife. It is a razor knife. The blades last much longer then the No. 11 blades. I use this knife exclusively with balsa and bass woods. I also have a large collection of Exacto Knifes, but rarely use them.. As far as straight edges. There are rulers made for cutting with a handle in the middle.
They are excellent. They are named "DUROEDGE".

Both items are on Amazon, for about $14.00 for both...Worth a look at least..
Michael Hohn Posted - 10/28/2017 : 11:09:45 PM

When cutting styrene sheet you can score it a few times and finish the cut by bending and snapping it apart. Styrene particularly dulls blades quickly

JayRs Posted - 10/28/2017 : 10:48:35 PM
Thanks for all the responses. I didn't know about a right-angle punch. Seems like it would handle the inside corners very nicely.

Orionvp17 Posted - 10/28/2017 : 2:23:39 PM
Originally posted by Pennman

I agree with both Rich and Dave on all aspects of the above, but I also measure window openings then use a square to make sure they are perfectly square before cutting.

And if you cut slightly inside the opening's perimeter lines, you can then carefully file out to the necessary dimension or until the insert fits the hole.

in Michigan
Pennman Posted - 10/28/2017 : 2:16:49 PM
I agree with both Rich and Dave on all aspects of the above, but I also measure window openings then use a square to make sure they are perfectly square before cutting.
deemery Posted - 10/28/2017 : 12:58:20 PM
To what Rich said, let me add, "make several light passes, rather than one cut-through-the-first-time pass." Also, you can glue fine sandpaper onto the back of your straightedge (spray glue or transfer tape), which will help prevent the straightedge from moving. Don't use your good measuring ruler as a straightedge, it will mess up the ruler, and more importantly, they're usually so thin your knife is likely to slip and cut your fingers!

RichBeau Posted - 10/28/2017 : 12:37:12 PM

For straight cuts of sheet - a good steel straight edge and a sharp knife with a #11 blade. Personally I purchase #11's by the 100-pack and change blades often. More often than you think.

For the inside corners many folks use a right-angle punch. While not cheap Micromark has some nice ones.

If the sheet is particularly dry then masking tape helps prevent splitting.

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