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宇宙のようなガラス細工の制作風景 Yasuda Glass
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Spiral Re-Wig - Colorado Color Company - Glassblowing Tutorial - Borosilicate - How To Make a Pipe
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Scientific Glass Blower Makes Beer Glasses | WIRED
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Bowtie Demo - Glassblowing - Lampworking - Linework - Vac-stack Bowtie - Colorado Color Company
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How Laboratory Glassware is Blown in the UK!
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Guest Artist Demonstration: James Mongrain
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Jason Christian Red Dragon - process narration by @gmanonfire
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