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Design challenges » Create Your Own Drone Challenge

Create Your Own Drone Challenge

10 February 2014 - 31 March 2014


For this challenge we’d like you to create your own drone using Flexbot, Autodesk 123D and i.materialise.


We will select 3 winning designs. Winner will get the 3D print of their design, an Autodesk 123D Premium Membership and a Flexbot Hexacopter. All participants will get 10% discount when printing their design.

Note that the jury selects upon the 3D renders you put online, so make sure to make a very clear, visible render.


This challenge is open to all designers, professional and amateur, regardless of sex, age or nationality.


Submissions will be accepted up to 23:59 Central European Time, March 31st, 2014.


There is no limit on the number of entries per contestant. To enter, you need to upload your design(s) below and provide a clear explanation (under ‘description’) in at least 50 words.


Angelo Yu, CEO of Flexbot
Jesse Harrington Au, Maker Advocate-Autodesk Inc.



The materials you can use for this challenge is dyed polyamide. Make sure you read the design guides to make your shell 3D printable. Available colors are black, blue, red, orange, green and pink.

Dimensions & Weight

Your shell should be able fit in a box with the maximum volume of 588cm3 and it’s important to keep in mind the weight of the shell as well as the distance between the motors and the PCB is limited.

  • The weight or mass of your shell should not exceed 25 grams. This means that the model volume of your design can not be more than 26.31cm3 (the density of sintered PA is 0.95g/cm3). But do remember that the lighter the better!
  • The motors with propellers cannot be more than 40mm away from the PCB because the length of the cable to the motors is only 55mm. Note that the thickness of these wires is 1mm in diameter.


  • Make sure that you work around and with the components that are provided in this STL file. In this file you’ll find 1 x PCB, 6 x motors, 6 propellers, and the battery pack. As a reference you can also find a demo shell. Separate STLs of components can be found here. Use a clearance 0.20mm around the components so that the components can be fitted into the shell. Separate components can be found here
  • Make sure that the battery pack is not further away than 50mm from the PCB. Note that the thickness of the wires connect to the motors is 1.4mm in diameter.

  • Leave some room for the PCB to breath: 3mm should be sufficient on the top and bottom. Also leave room for the wire attached to the PCB to exit.


  • i.materialise’s general terms & conditions apply to this challenge, for more information visit: http://i.materialise.com/legal/terms#challenge
  • All entries must be unique and never 3D printed before.
  • i.materialise reserves the right to amend these rules at any time. Any amendment to competition rules will be posted on the i.materialise website.
  • Prizes must be accepted as awarded. No cash alternatives or substitutes will be allowed. The decision of the jury will be final.
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