I just printed a test cube on a Form 3 and found the bottom of the print to be quite rough after removing the support. I’m not talking about the left overs from bearking/cutting off the support connections but more some sort of goose bumps like elevations which formed around the support connection.
My process was:
- Printing on Form 3
- Form Wash for 25 minutes and spraying isopropyl alcohol on more difficult to clean features with a hand spray bottle with a hard jet
- Curing in Form Cure
- Removing Support.
I normally remove support only after curing so that the part could not possibly warp on me during cure - not sure if that is an actual problem but I recall reading/hearing about it at some point so I adopted it.
I remember having a similar Problem once when I printed a flat object parallel to the build platform with support. I guess the problem back then was that the support pulled too hard on the first super thin layer which then deformed (since the part was not rotated to allow for a continuous build and relatively low pulling forces per area). In this case I had the object printed at an angle though to avoid this.
Except for that problem, the only other thing which comes to my mind is that there might have been uncured resin attached to the support left, which cured in the Form Cure cycle. Allthough I would be surprised because I cleaned it as good as I possibly could.
Anyone have experience with those kinds of issues?
[BTW: on the second picture you can see three holes. The biggest one at diameter 8, depth 5mm printed nicely, the middle one (diameter 4, depth 10mm) almost nicely, just clogged at the very end, the smallest one (diameter 2, depth 10mm) doesn’t go in for more than 3.5mm. I tried to lean them with a toothpick before curing but the clogged resin was already cured out of the printer. Possible fixes?]