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Old 08-10-2019, 01:03 PM
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BalticSwimmer BalticSwimmer is offline
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Cutting complex shapes in chipboard

I got an architectural model and many elements call for 1mm cardboard. I have some chipboard but it is pretty tough to cut. These pieces will require many small curved openings to be cut. I know it CAN be done with an xacto knife. But previous experience suggest it will.be a chore. So is there a batter way? Is chipboard overkill?
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Old 08-10-2019, 01:42 PM
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is the chipboard the reinforcement for the walls? or just the base?
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Old 08-10-2019, 03:05 PM
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Walls. But it's several layers of wall. It's going to be thick.
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Old 08-10-2019, 04:25 PM
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which kit is this?
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Old 08-10-2019, 04:40 PM
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Maybe a book drill/screw punch will help in making those small curved openings.
Here is a thread from a while back.
Screw Punch
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Old 08-10-2019, 05:47 PM
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Depending how small they are, and the curvature, I use a couple of small wood carving chisels, the cheap kind you buy in a set of six or so, from a dollar store or ebay etc for a couple of bucks. There's usually 2 different sized rounded ones in the set. I just press it onto the card over a cutting mat to chisel out the curve. I've had success with this in boxboard and sometimes denser card up to about 3 or 4mm thick.
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Old 08-10-2019, 05:53 PM
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that is one great idea, i need to make a run to Harbor Freight soon
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Old 08-11-2019, 02:17 PM
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Sometimes one can "rough-cut" curves with a series of straight cuts using knife then come back and clean up the curves with a toenail clipper
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Old 08-11-2019, 04:02 PM
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I wonder about the use of a scroll saw with fine jewelry blade in it some where in the boxes in the garage I have one looks like a lighter version of a coping saw. on inside cuts you drill a starter hole
Miles
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Old 08-11-2019, 04:08 PM
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I wonder about the use of a scroll saw with fine jewelry blade in it some where in the boxes in the garage I have one looks like a lighter version of a coping saw. on inside cuts you drill a starter hole.
Found a picture note the small clamp on cutting board. Most usefull
Miles
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