General form of registration statement for all companies including face-amount certificate companies

Significant Concentrations (Details)

v3.21.2
Significant Concentrations (Details) - SHAPEWAYS, INC
6 Months Ended 12 Months Ended
Jun. 30, 2021
customer
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Jun. 30, 2020
customer
Dec. 31, 2020
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Dec. 31, 2019
customer
item
Customer concentration | Revenue        
Concentration Risk [Line Items]        
Number of customers 1 1 1 1
Customer concentration | Revenue | Customer One        
Concentration Risk [Line Items]        
Concentration risk percentage 23.00% 21.00% 21.00% 16.00%
Credit concentration | Accounts Receivable        
Concentration Risk [Line Items]        
Number of customers 1   2 2
Credit concentration | Accounts Receivable | Customer One        
Concentration Risk [Line Items]        
Concentration risk percentage 76.00%   32.00% 41.00%
Credit concentration | Accounts Receivable | Customer Two        
Concentration Risk [Line Items]        
Concentration risk percentage     10.00% 14.00%
Supplier concentration | Accounts Payable        
Concentration Risk [Line Items]        
Number of vendors | item 4   5 3
Supplier concentration | Accounts Payable | Vendor One        
Concentration Risk [Line Items]        
Concentration risk percentage 17.00%   18.00% 15.00%
Supplier concentration | Accounts Payable | Vendor Two        
Concentration Risk [Line Items]        
Concentration risk percentage 15.00%   15.00% 11.00%
Supplier concentration | Accounts Payable | Vendor Three        
Concentration Risk [Line Items]        
Concentration risk percentage 15.00%   15.00% 10.00%
Supplier concentration | Accounts Payable | Vendor Four        
Concentration Risk [Line Items]        
Concentration risk percentage 12.00%   11.00%  
Supplier concentration | Accounts Payable | Vendor Five        
Concentration Risk [Line Items]        
Concentration risk percentage     10.00%