Summary Prop locks to hold the props in place for storage or travel. Great for preventing prop snagging while inserting or removing from bag. Print with Ninja-Flex or some other rubber flexible material as hard material will nick props. Print Settings Printer: Monoprice Select Mini 3D Printer with Heated Build Plate Rafts: No Supports: No Resolution: .1 Infill: 20% Notes: Print with Ninja-Flex or some other rubber flexible material as hard material will nick props.