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sohi-
I think that with small pieces like these hollow walls aren't really the point. This is more a case of being able to make complex geometry to exact dimensions. If you look at the mounts @ectoplasmosis had welded on they work because everything is in the same plane. But with my boost spacing frame and post mount brakes you'd need some pretty funky bends.
I think the three uncertainties in having those brake bosses printed are.
- Will they survive? And if not how fucked is the frame?
- Did I accurately draw the tubes in CAD? I'm going off some pretty dodgy drawings, and I'm not even sure that the drawings match the tubes that come out of the factory.
- Will Phil be able to accurately recreate my CAD drawings? I think the world of him, but this would require sub millimeter precision. And even if it's perfectly tacked, the tubes warp during brazing and what not. Although I would of course add a bit of thickness for some leeway, but more leeway would also mean more filing.
- Will they survive? And if not how fucked is the frame?
Tijmen
🤔
Not as expensive as I thought it would be, Materialise charges more than double. The question is of course whether it'd be strong enough.