![]() ![]() Again, wall thickness limits come into play. Shrinking the size presents a different problem. The only way you can overcome this is to split every polygon into smaller pieces. Try to create the model at 1/2 of the detail limit size, but be aware that means your models won't necessarily still look good when enlarged. When you take the model on the right with less polygons and scale it up four times, you'll end up exaggerating the flat surface. When designing a model, you must keep the whole object above a certain thickness, but you should also keep the facet size below the "detail limit." If the printer can print a detail at 0.2mm, the large, pink facet is 0.4mm and the finer green one is 0.1mm, then the pink one is going to show up as a flat spot on the model, and won't look curved. When designing for 3D printing keep in mind the wall thickness limit, but also consider the detail thickness limit. But, consider the width of the facet that's highlighted in pink: it is four times as wide as the facet in green. ![]() You can see that the model on the left is "finer" (more polygons) than the one on the right. Below, you can find the most important elements to consider when scaling a 3D model for 3D printing.Įvery model is made up of polygons, or facets. It takes only seconds to mathematically change your model from one size to another, but you may not be happy with the results.
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