hi Dave,

In that case, a quick fix might be to save out the primitives from
fluxus, as they should be quicker to load back in once processed this
way.
unfortunately that didn't work, because the conversion algorithm still had to process all indices.

i optimized the loading a bit by merging the vector loading and storing the unified index per face vertex. on a 1 megabyte obj file, the loading time dropped from 5.6 seconds to 2.1, which is still too slow.

best,
gabor

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