From: 3D printed PLA Army-Navy retractors when used as linear retractors yield clinically acceptable tolerances
Number of Retractors
Perimeter Number
Estimated Mass (g)
Estimated Cost (USD)
22
2
10.20
$0.51
4
3
12.55
$0.63
14.91
$0.75
5
17.27
$0.86