Velo3D, Inc. Quarterly report pursuant to Section 13 or 15(d)

Equity Instruments - Contingent Earnout Liabilities, Fair Value Assumptions (Details)	Sep. 30, 2021 $ / shares	Sep. 29, 2021 $ / shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected Term (years)	5 years	5 years
Current stock price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	8.37	8.44
Expected volatility \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	0.450	0.450
Expected volatility \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	0.550	0.550
Risk-free interest rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	0.001	0.001
Risk-free interest rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	0.010	0.010
Dividend rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business combination, measurement input	0	0