Parts from set 75978 (Diagon Alley)

RE: Parts from set 75978 (Diagon Alley)
(2021-02-18, 5:41)Philip van Heemstra Wrote: Version 2.0
Re-created with almost all shape details. Only the ridge underneath the wings is missing.
Note: I will try to submit it to the parts library. But it's my first time, so not sure when that will be. Smile (Any tips are welcome.)
A few tips indeed to make a good LDraw part...
- The main "problem" is that quality (number of polygons) of your mesh is a bit high compared to other LDraw parts. Eg. the ridges on the ball have about 24 segments to form the ridge, while at this size 8 segments would be enough. If you can instruct Sketchup to reduce that...
- Use two mirrored half subpart
- Use a cylinder LDraw primitive to create a clearly identified handle (connectivity outside Studio)
- Possibly use LDraw sphere primitives for part body and "eye"
- The most tedious work concerns the edge line creation. The idea is to have an edge line (LDraw type 2) when there is a clear angle on the part, and a conditional line otherwise (type 5) otherwise. Converters (Studio part designer or stl2dat) do that with a facet angle threshold, but it's far from perfect and needs a lot of manual trimming to get it right...
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RE: Parts from set 75978 (Diagon Alley) - by Philippe Hurbain - 2021-02-18, 9:15

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