Cynder
thingiverse
I came across this design on Sketchup and did some tinkering to make the wings functional, recommending that you scale up this model as large as feasible to guarantee the wings perform smoothly. Ensure that you orient the model at a 90-degree angle to achieve a stable flat position.
Download Model from thingiverse
With this file you will be able to print Cynder with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Cynder.