#  Fabrication 

 



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 The following sections include instructions for fabrication for both gripper designs. The step-by-step instructions are provided on the subsequent pages.

 **Electronic Gripper:**

 A detailed [Bill of Materials](/sdm-gripper/fabrication/bom) is included in the [Downloads](/sdm-gripper/downloads) page listing specific part numbers, quantity, suppliers and cost. *Please note: some materials can be substituted for cheaper or more widely available version at your own discretion.* Some of the materials are also called for in the SDM finger activity and can be reused used for this activity.

 The [Downloads](/sdm-gripper/downloads) link below also includes templates to build the angled cardboard stands for the fingers and the code file that will be uploaded to the Arduino microcontroller to control the circuit.

 **Manual Gripper:**

 This version of the gripper is also significantly cheaper per unit than the electronic gripper requiring only household materials such as a hollow tube (cardboard or plastic), crafts string and zip-ties.

 The Bill of Materials for this version of the gripper is also located within the [Downloads](/sdm-gripper/downloads) page.