javascript - How to add texts or label to an object like decals? -

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in site：https://www.owayo.com/konfigurator_html/index.php?sport=basketball&product=shirts&lang=en&land=us#

you can put button "text", add text , put button "ok". text created add objects decal.

how can display effect?

thank much!

i believe should create texture text , add material


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