Thank you for looking. This is 3D printed. It allows you to sandwich TC Electronic effect pedals with the adapter and fix them to your pedalboard with hook-and-loop fasteners. You can fix the effect pedal to the pedalboard without attaching hook-and-loop fasteners directly to the pedal itself. Set Contents: - Set of left and right adapters x 1 set *Effect pedal body, hook-and-loop fasteners, etc. are not included. Material: PLA Color: Black How to Use: 1. Attach hook-and-loop fasteners to the bottom of the adapter. 2. Sandwich the effect pedal. 3. Place it on your pedalboard. The product may have burrs, layer lines, stringing, cut-offs, or marks from support material removal. Please be aware of this. If you wish to purchase multiple items, please contact us. We will offer a small discount only for multiple purchases. We will ship in simple packaging. Please purchase after you are satisfied to avoid any trouble. If you have no questions, immediate purchase is fine. Thank you.