3D modeling is really a complex matter and proper care has to be there to get things right. A broken model that can’t be made print ready ruins the whole effort. The errors that occur associate to many factors. False conversion is one of the main reasons. The failure of software used for rendering can cause issues. Here are the most common challenges that are encountered by companies offering 3D modeling services; and their solutions.

1. Some challenges every 3D modeling artist will
encounter and their optimal solutions
3D modeling is really a complex matter and proper care has to be there to get things right. A
broken model that can’t be made print ready ruins the whole effort.
The errors that occur associate to many factors. False conversion is one of the main reasons.
The failure of software used for rendering can cause issues. Underlying are the most common
challenges that are encountered by companies offering 3D modeling services; their solutions
are also given.
Wall strength or thickness
Usually they stay at the value of zero or are very less. This will make the print job to crash
which should be avoided. Glued plastic should have minimum 2mm while ceramic need 3-6
mm and sintered materials 0.8-1 mm. You must decide the material to be used before setting
order for the model.
Read more about How to use SketchUp effectively for 3D modelling?

2. Pits in 3D Mesh or unmatched edges
Picture this: You are putting some nice apples in a net. The
ties in net are connected and everything is okay. But what
happens if any one of the ties get loose? The apples will be on
ground in no time. This is exactly what happens in case of
meshes of 3D files. When the printer detects a hole in the
mesh, it will mark your model as defective. Checking your
net in advance is the apt solution to avoid such mishap as per the companies offering these
services. There are several software using which you can scrutinize your model. Then you
can use repairing tools for closing the unmatched edges.
Boolean operations
While putting together several portions in 3D by shifting
and allying them visually, it seems to be already from
outside. But the fact is that in most of the cases, such
models can’t be printed. Experienced companies suggest
using Boolean operations as a solution to this issue.
Cavities or holes that can’t be printed
Holes are unavoidable in cases of certain models that are to be linked with hinges or screws.
Several print processes are there that demand cavities and this can cause problems. Whenever
necessary, escape holes should be there in the model that you construct. According to
professionals, 10mm is the ideal diameter for escape holes. In case if they are not straight
tunnel but seem to be a cave system, the holes should be bigger.
Every artist offering these services should be acquainted with the above challenges are their
solutions.
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