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[JediJosh]

All of the different software used for different aspects of the design and printing processes.

[LEAL615]

learning the 3d design software.

[rvanwaes]

What was/is the most difficult thing for you to learn/understand about 3D Printing?

In my experience with DIY 3D printing, the hardest part is the learning curve to get the perfect print (still a work in progress). There are so many variables that factor in to all parts of a print at home - first layer adhesion, room/bed/extruder temperature, drafts, calibration, patience for replacement parts from China, etc.

[rafbe]

hotend clog is frustrating

[oscarspiegel]

Why the 3D printer extruder can clog up.

[skaveng]

At the very start figuring out what the extruder was, how it worked, the difference between them all

[infrafox]

Well, maybe building my first 3D printer was a bit of a challenge, but I found it a really cool experience and now I know a lot more about the technology.

[GOC]

Q: What was/is the most difficult thing for you to learn/understand about 3D Printing?

A: Slicing parameters/variables and understanding how they influence each other. Their seems to be an endless combination of settings that all have there pros & cons. Finding that sweet spot for a particular filament can sometimes be quite a challenge.

[TeamJamesDean]

Getting consistent print quality is my current challenge. Many parameters to work with! But it's fun to experiment.

[Des]

Designing my own items correctly.
Many items should be easy enough as rather simple, but gears and detailed parts I got allot to learn!