Hacker News Reader

I've heard the resin resultant objects are pretty brittle at least on the Form1, so I'm not sure it could do what you're hoping.

You would be better served with an FDM printer if you want to be able to use it as you describe, but then you need to be careful of the direction of the grain (or rather, the layers) so that they're opposite the direction of stress if there's specific ways it will take stress.

View on HN

> pretty brittle at least on the Form1

This is true (at least on the SLA printer I've used). The problem is that the resin never stops UV curing, so it just gets more and more brittle over time. Small parts get really fragile (Maybe you can paint/cover them to avoid this - I'm not sure). FDM or SLS printers are generally better with functional parts, while SLA is better for prototypes that don't need to last.

What if you use a spray primer to completely coat the object?

Not a clue! You'd have to ask somebody more qualified than myself.

Reply on news.ycombinator.com