Due to the success of my Mounted Trash Bin, I've created this standalone version. It's a large trashcan that prints in several parts optimized for 3D printing, with plenty of variations and optional additions for total customization!

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_**Printing & Assembly**_

Due to the optimized design, you can print most of these parts using default print settings. Nearly all the parts print without supports, but the new Locking Inner Rim requires support generation for a long bridge to allow for the improved lid flap.

Here is a description of the various parts:

- **Lid_Locking** : The lid of the trashcan, which snaps into place when fully opened for one handed operation. Print with 4 shells/perimeters for a hinge longevity.
- **Top_Rim_Inner_Locking** : Snap the Lid into this part. _Enable Supports!_
- **Top_Rim_Inner_Locking_Loose** _(optional)_ : A looser version of the Inner Rim, useful for thicker trashbags or less precise printing. _Enable Supports!_
- **Top_Rim_Outer** : This is the part you wrap the top of your trash bag around, which is then sandwiched into place with the Inner Rim. _There is an oval notch on the front of both the Inner and Outer Rim. Make sure they're oriented the same way!_
- **Lid_OG** _(optional)_ : The original version of the lid, without a flap on the front, and doesn't lock in the open position
- **Top_Rim_Inner_OG** _(optional)_ : Only use with Lid_OG
- **Corner_Post** : The four vertical posts that connect the Top and Bottom Rims. I would suggest 4+ perimeters/shells for strength. Print 4. Align with the channels on the Bottom_Rim and snap all 4 into place. Then set the Top_Rim_Outer onto the four posts and press each corner straight down to snap into place.
- **Bottom_Tray** _(optional)_ : This tray rests inside the Bottom_Rim to support the bottom of the trash bag. Useful if you're throwing away heavy things that might rip the bag if unsupported.
- **Bottom_Tray_Deep** _(optional)_ : Another version of the bottom tray with higher walls. Usefull if you are tossing things that might leak.
- **Foot_TPU** _(optional)_ : Small feet to be printed with TPU or another flexible filament. These are simply glued to the corners of the bottom of the Outer_Rim to add a cushion between bin and floor, for protection and non-slip.
- **Walls_Plain** _(optional)_ : Conceal the trash bag and keep it from bulging out if it's larger than the bin. Print in vase mode with 0.6mm extrusion width and 0 top/bottom solid layers. 
- **Walls_Fluted** _(optional) : Same as Walls_Plain but with a fluted texture that adds a bit of strength and decorative appearance. More likely to warp from filament shrinkage while printing!

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Yes, it's a lot of parts, but the result is a nice, large, super functional trashcan that you can customize to your needs! Leave a comment if you have any questions or requests and I'll respond ASAP!

- **Nov 2, 2025 Update** : Added an 'ExtraFlex' version of the Corner Posts, which makes it easier to take apart and put together over and over.

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Photographed model was printing with various PLA filaments on the [Qidi Plus4](https://qidi3d.com/products/plus4-3d-printer?sca_ref=6089281.BQS8d0sJuF) (Also [on Amazon](https://amzn.to/4jON7VK))

Wireframe Wastebin // Standalone Trashcan

Lid_Locking.stl

Corner_Post(4)_ExtraFlex.stl

I made these mounted trash bag bins specifically for the Red/Green waste bags used in my region of Sweden, but you may find them useful for your own situations as well! I have mine mounted on the cabinet drawer under my kitchen sink for super convenient and accessible composting.

The design consists of four parts:
- A lid
- An inner rim that connects to the lid
- An outer rim that holds the trash bag and snaps onto the wall mount
- A beefy wall mount that securely clips onto the rim.

Default print settings should work out. I used PC filament to make the mount extremely resiliant but I suspect most filaments should be sufficient. The rest of my parts were printed with PLA. Share your results if you try something else!

The mount has holes for up to 6 wood screws, but I only used the top 4 and it's enough, even with short 19mm screws. The holes are sized for threads up to 4mm wide, but you should be able to expand the holes by pre-drilling if necessary.

**_July 18, 2025 Updates_**
- The lid and inner rim used to be a single print in place part, but this has proven to be unecessary. The parts are now split and you can flex the inner rim to snap the lid onto the hinge.
- Added a new **locking** lid! This upgraded lid snaps into the open position to stay up on its own.
- Looser version of the locking lid is also included. Useful for thicker trashbags or less precise printers.
- **note:** You **must** use the Locking Inner Rim together with the Locking Lid.
- **note:** The new Locking Inner rim requires **support material** generation turned on! It's a small amount of supports, but this enables the flap on the lid for easier handling.

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Photographed models were printed on the [Bambu Lab X1-Carbon 3D Printer](https://bit.ly/MA_X1C) using [Bambu Lab Bambu Green PLA, Red PETG, and Clear PC filaments](https://bit.ly/bamFIL).*
*_These affiliate links give me a commission on sales at no additional cost to you. Thanks for supporting Make Anything!_


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Wireframe Wastebin // Standalone Trashcan

Mounted Trash Bag Bin (Updated)