by protoneerconz, published

OPENBEAM Mitre Box by protoneerconz Oct 11, 2012
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OPENBEAM is an amazing new aluminum extrusion design that gets rid of the expensive T-nuts used on other extrusions types.

It replaces the expensive T-Nuts with M3 sized nuts and bolts that are available form most hardware stores at an fraction of the T-Nut's cost.

To cut the extrusions a bit easier and more accurate I designed this Mitre Box.

It has a slot for 90 and 45 degree cuts.

Protoneer Blog - http://blog.protoneer.co.nz
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That's interesting. If I open the file in my Sketchup or my UP! Plus 3D printing software it opens to scale. What software are you using? My friend opened it in HeeksCAD and he had the same issues.

I draw stuff in Sketchup, export it as dae files and then open it with Meshlab and export it as STL.

Where am I going wrong? :)

I opened it up in Blender when I noticed that Slic3r sliced this in milliseconds... and I couldn't see much in the view in pronterface... Then I scaled it up, so distance was good enough for 15mm, and I increased the height a little so the saw has some support before cutting... :)

This is cool, but the scale on this must be totally off! Am I supposed to scale this by 10x?

Nice!  I've been cutting Makerslide, and it's a right pain to cut vvery much by hand - I finally picked up a proper aluminum blade for the cutoff saw.

 I agree. Makes it a little-lot easier... :)