3D Printed Single Shaft Shredder
A single-shaft-shredder, utilizing 3D printed parts!
Created by
AstralGrandpa2.0 🚀
Tier 4
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Timeline
CAN ⚡🚀
approved 3D Printed Single Shaft Shredder ago
Tier approved: 4
Grant approved: $50.00
AstralGrandpa2.0 🚀
submitted 3D Printed Single Shaft Shredder for review ago
CAN ⚡🚀
requested changes for 3D Printed Single Shaft Shredder ago
Unfortunately, this project can only be approved as up to a tier 4 project. Maybe to make it more complex, try adding a system which turns the shredded 3d prints back into filament. I can also give you a $50 and you can pay for the rest.
AstralGrandpa2.0 🚀
submitted 3D Printed Single Shaft Shredder for review ago
AstralGrandpa2.0 🚀
added to the journal ago
Created Aluminum Extrusion Base



Wow. What a journey.
It genuinely feels so amazing to have a project come together like that.
So I guess I'm just about ready to ship this project!?!
Here's what I've accomplished:
- Created aluminum extrusion base for the shredder
- Finalized BOM - finding off-the-shelf parts is quite hard!
- Created mounts on the shredder for the aluminum extrusion
Some minor trinkets that will be modelled in (but I'm too impatient to ship):
- aluminum extrusion mounts (These can be quickly modelled)
- Hopper (literally a hollowed pyramid shape)
AstralGrandpa2.0 🚀
added to the journal ago
Brushed up CAD


Brushed up the CAD!
- Made it 3D printable
- Connects by using m5 hardware
- Made a Shaft Collar
Found Large Bearings (12mm ID) to use
I also created a mesh/filter to enable consistent sized particles from coming through.
Possible Roadblocks & Looking Ahead:I don't think a 3D printed shaft will be strong enough
A funnel/feeder would be nice
I feel pretty good about how it's looking.
AstralGrandpa2.0 🚀
added to the journal ago
Started CAD

Made some decent progress making the CAD file for the shredder. I will go over some highlights and features.
Highlights:
- I made an object that sort of looks like a shredder.
- It took me a while to figure out the best way to model it
- I am trying to use separate components, which is considered "good organization" in CAD
- This will prove useful if I ever happen to want to make animations
Features:
- I set up groups of 3 blades: this will displace the cutting, enabling less torque necessary to cut the material
- This is visualized using different colors
- There are also a set of fixed blades the rotating blades will be cutting into
- The fixed blades are connected to the "base", utilizing the flexibility of 3D printing technology
AstralGrandpa2.0 🚀
added to the journal ago
First Steps, Planning
Well, it's shredder time!
Here are some goals for the project:
- utilize 3D printing for design flexibility
- shred stuff (pretty straightforward)
- I'll try to utilize metal shaft/blades if necessary
The goal is to make it intuitive and reasonable, with as many features as possible.
I'm thinking modularity and safety, as well as easy incorporation into other systems (mounting!)
Attached is an inspiration for the shredder blades!
AstralGrandpa2.0 🚀
started 3D Printed Single Shaft Shredder ago