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Questions tagged [print-strength]

Questions related to the mechanical strength of a print, e.g. material strength, or finished part strengths

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33 votes
7 answers
8k views

Designing clips that won't break

As my first project, I'm trying to design a holder for glass vials, for a scientific application. The photo below shows the latest design iteration, and also shows the problem with it: As you can see,...
N. Virgo's user avatar
  • 1,595
10 votes
2 answers
212 views

What is a good way to estimate the impact on material strength different printing methods will have?

I'm going to 3D print a part that needs to meet certain strength requirements, due to its usages. I know how strong a particular plastic (eg. comrpessive/tensile/shear strength) is when dealt with in ...
GiantCowFilms's user avatar
7 votes
1 answer
720 views

FDM layer bonding strength

I'm looking for some advice, rules of thumb, or models for how to design parts for layer bonding strength. As an example part, lets assume a circular beam in bending (tall cylinder). Depending on how ...
Diesel's user avatar
  • 1,905
6 votes
1 answer
6k views

Which material "creeps" (plastic deformation) the least (or nothing at all) under pressure after being printed?

I would like to build a standing shelf where the supports which hold each successive plank are 3D printed (to obtain special shapes). However, I read that PLA flows under constant stress/pressure. ...
FarO's user avatar
  • 4,323