Project: Rubberband Glider

by insane66 Sep 6, 2016
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I love this, but the thin section between the body and tail section won't print for me. Any suggestions?

Some things to check:

  1. Are you using adequate support? (the boom and tail need some support material)
  2. Is your slicer creating lines with the tail boom or at 45° to the tail boom? Maybe change the model orientation or slicer settings to help?
  3. Did you scale the model up or down in size?
    Then some things to help me help you, if the above don't help:
    What material are you using?
    What printer are you using?
    What slicer and settings are you using?
    I have printed many of these on a Makerbot and a knockoff Prusa i3. PLA for the Makerbot. ABS and PETG for the Prusa. No scaling. 0.2mm layers, I like to use 3 shells. 100% infill.

Hi! Thanks for your response. I am very new to 3D printing. We bought one for our 5th grade classroom. I did not use support for the tail section. How do you do this? It is currently creating lines with the tail boom. I did not need to scale the size at all. It fit on our printing platform. I'm using a Shining 3D Einstart printer. My slicing software came with it.
We really appreciate your response. This project would be great for my class.
Thank you!

Googling shows that that printer came with software called 3DStart. If so, looking through the manual I could find:
There should be a button for "path generator" (third from the left?) and when you push it, it should give you a list of drop-down boxes
Basic settings:
Print mode:
Print material:
Support mode: <--- That should be where you change to full support.

The support material should put down some pillars or a zigzag of material to hold up the tail section where it needs to be when it prints. It should also help the spars for the wings print correctly.

It would be cool to put an attiny85 and a small servo on this as a remote control glider, how large can it be printed? Would there be room for a servo like HobbyKing Ultra Micro Servo 1.7g and a 3.3v button cell?

Dimensions: 20.8 x 15 x 11mm
Weight: 1.7 g

"how large can it be printed?" Well, I guess the real question is how large is your printer?
"Would there be room for a servo like HobbyKing Ultra Micro Servo 1.7g and a 3.3v button cell?" Not at the current size, but if you were to plan ahead on your larger scale print, I think there could be room. You would probably want to do some design work of your own and plan for the servo's location. I have included the Fusion 360 files. Creating a R/C glider out of the base design is a bit beyond the scope I had envisioned for this project. I was more along the lines of balsa wood glider, like the flat wood, slip together, launch with a rubber band kind. Let your imagination be your guide (and maybe some flight physics). At the minimum, you would need to design control surfaces, as mine are all fixed in this design and project.

Isn't the point to glide and land slowly not glide then crash. Cause it will destroy the plane.

The point is to design wings that have the performance you desire. This is an educational project. Emphasis on project.

Where is the stabilizer? It is required unless you have a special wing profile.

Print it and try it out. I think you might be surprised. Maybe it would bring benefit, maybe not. The weight added doesn't seem to bring that much aerodynamic benefit at this small scale. I would hardly say "required"!