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Revenue Recognition - Deferred Revenues (Details)

v3.21.2
Revenue Recognition - Deferred Revenues (Details) - SHAPEWAYS, INC - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Deferred revenue activity      
Deferred revenue at beginning of period $ 753 $ 425 $ 777
Deferred revenue recognized during period 753 (31,823) (33,658)
Additions to deferred revenue during period 17,509 32,151 33,306
Deferred revenue at end of period $ 626 $ 753 $ 425