Hi, I’ve got a detailed contour map which we’re going to machine as a solid and then cover with lasercut veneer. The issue we have is that the laser will cut a much more detailed line than the CNC router. is there a way of modifying a 2D curve so that it has a minimum radius of say, 1mm. Then we ca…

Depending on how many curves you have, my manual procedure has been to offset the curve by the cutter radius (like the 1mm you mention above) to the outside (the cutter side) with _Corner=_Round. Then take the result and offset it back again towards the inside (in the direction of the original curv…

Cheers. The offset idea works for some of the simpler lines, but there’s some pretty knarly landscape here and it tends to split the more complex lines into separate curves due to kinks.

[image] richard.m.haigh: nd it tends to split the more complex lines into separate curves due to kinks Yeah… Rhino’s offset function just isn’t all that reliable when it comes to offsetting very complex polylines. We’ve had a few posts on the subject. Problem is, I don’t know how to solve …

Thanks anyway. I’ve found a solution using Powermill that generates a 3D model of the machined part. I can export that back into Rhino and take it apart to get the curves I need. Long-winded, but seemingly easier than modifying every individual (1400+) line in Rhino.

Yeah, that’s a pretty funny solution… Virtually mill the model with the correct radius cutter which will create the min radius inside corners and pull that back in to Rhino. Does the exported model from Powermill come in with arcs as inside corners? Usually machining simulations are mesh based, s…

Have you looked at this? [image] Automatic minimum radius correction Grasshopper Is there any way Rhino6 can automatically detect the minimum radius for a curve and correct it to fit a tolerance? See illustration below. This would be a huge time saver for drawing things th…

Setting minimum curve radius for machining

Rhino Rhino for Windows

abrahamwechter (Abraham Wechter) February 4, 2020, 2:32pm 7

Have you looked at this?

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Setting minimum curve radius for machining

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