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This. Finger oils are the enemy. If you’ve never washed the bed with soap and water, it usually fixes adhesion issues on a properly leveled machine.
Agreed. I think a general 3D printing community should be all inclusive of types of 3D printing. You can always make a community focused on FDM vs SLA, Etc.
You can definitely make accurate models. Its a little more unforgiving than CAD if you need to go back and fix something, but you can definitely make precise models for functional prints if you do it right (such as inputting specific measurements when doing extrusions, etc).
While not for 3D printing specifically, Andrew Price’s donut tutorial on YouTube is a great primer for learning to use Blender and all is basic functions.
While not open source, Fusion 360 has a free for personal use version if you are wanting a fairly easy to use CAD program. I had been using mostly Blender up until recently since learning how to use Fusion. I love being able to parameterize everything. Blender is awesome though in it’s own right. I use both for making functional prints depending on what I’m trying to do. I tried FreeCAD, but it definitely has a bit more learning curve than Fusion.
A little aqua net hairspray will do the trick too.