Drawing a crystal wine goblet

Drawing a crystal glass with pencils.
Time taken about 3 hours and 15 minutes.

I used Koh-I-Noor pencils; if you want you can find them here:
https://amzn.to/3Gpenvx

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Music:
"Lazy Laura" by Quincas Moreira from You Tube Audio Library
"Late nights" by Causmic from You Tube Audio Library