trangular pillar
by Hiroe, published
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If you're going to be putting the post-tension material in the tubes, why not put the alignment in the horizontal members? That would be hard in a conventionally manufactured object but easy to fab. And for things that can be solvent-welded it would give you lots of surface area.
I'm stealing the small stub and hole at the end of each pin (getting it to be printable is a whole other matter) But instead of a locking pin I plan on just having people tie them together. easy and cheap.
TriLight (triangular Aluminium trussing for light) uses a small stub at the end of each of the main tubes and a small locking pin. Your 'truss' may be too small for this.
How about using a locational pin (a small section of stock feed line) onto the end one of the 'tubes' and a 'twist to lock' into place system on the other 2.
Mungewell.
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TriLight (triangular Aluminium trussing for light) uses a small stub at the end of each of the main tubes and a small locking pin. Your 'truss' may be too small for this.
How about using a locational pin (a small section of stock feed line) onto the end one of the 'tubes' and a 'twist to lock' into place system on the other 2.
Mungewell.
I'm stealing the small stub and hole at the end of each pin (getting it to be printable is a whole other matter) But instead of a locking pin I plan on just having people tie them together. easy and cheap.
If you're going to be putting the post-tension material in the tubes, why not put the alignment in the horizontal members? That would be hard in a conventionally manufactured object but easy to fab. And for things that can be solvent-welded it would give you lots of surface area.