Click here to download STL (Affiliate Link)

Overview

CollarPod is a compact, single-piece flexible bag holder that clips directly onto your dog’s collar so a bag is always there when you need it — even on those walks where you forgot your jacket, your bags, or just your brain. Printed in TPU, it flexes to clip on without any tools and stays put all day.

What It Is & How It Works

1. Flex the back of the pod over the collar edge — TPU flexibility makes installation easy without removing the collar.
2. Fold a standard poop bag tightly — lengthwise four times, then once across. Keep air out for the most compact fold.
3. Close the lid and press until the side tabs click. CollarPod is designed to be firm enough to open that it won’t accidentally pop open on the walk.
4. Check the viewing window before each walk — bag visible means you’re ready to go.

Key Parts & Mechanisms

• Collar clip — flexible TPU grip that flexes onto the collar without tools and holds firm during use
• Lid with side-tab latches — snaps closed securely; firm enough that it won’t pop open accidentally
• Viewing window — confirms a bag is loaded at a glance, no need to open the lid before each walk
• Single-piece design — no assembly, no loose parts, nothing to misplace

Printing Notes & Recommended Settings

• Material: TPU 95A or similar — Bambu TPU for AMS works well
• Nozzle: 0.4 mm
• Layer Height: 0.2 mm
• Walls: 4 (1.6 mm)
• Infill: 40% Cubic
• Support: None required
• Print on a single direct-feed spool for best TPU results

Post-Print Setup

No major post-print work needed. Once off the bed:

1. Open and close the lid a few times to seat the latches — TPU may be slightly stiff fresh off the printer.
2. Flex the collar clip open and snap it onto your dog’s collar. It seats firmly without removing the collar.
3. Load a folded poop bag, close the lid, and you’re done.

Available Sizes

CollarPod is available in three sizes to fit common collar widths, plus a BeltPod variant for humans:

• CollarPod 17 — fits 5/8″ (17 mm) collars → Download on Thangs
• CollarPod 26 — fits 1″ (26 mm) collars → Download on Thangs
• CollarPod 40 — fits 1.5″ (40 mm) collars → Download on Thangs
• BeltPod 40 — clips to your belt (up to 1.5″ wide) → Download on Thangs

Measure your collar or belt before printing. If you’re between sizes, go with the larger variant.

Why This Design Exists

Designed and field-tested in Vancouver, BC — with Bob and Heidi. Because a bag on the dog is always better than a bag you forgot at home.

Where to Get My STL Files

All my designs are available on Thangs.com.

Use, Licensing, Comments and Feedback

Some of my designs are only available for free for 1 week from when first posted, so please download them when you see a new file available that you are interested in. Also, please like and save the file too as it helps with my ratings.

I do not permit the use of my designs for commercial purposes (i.e. you can not sell my design(s) or products printed from my design(s)) without first acquiring a commercial license from me. On Thangs.com I offer membership accounts for access to all my design files as well as a membership for commercial licensing which allows subscribers to sell printed products using my designs.

I welcome comments and feedback as well as requests for customization of designs. I will do my best to accommodate reasonable requests.

The post CollarPod – Poop Bag Holder for Dog’s Collar first appeared on logicalplanet.

Click here to download STL (Affiliate Link)

GearBin is a fully 3D printable mini trash bin with a unique mechanical twist. Designed for use with biodegradable dog waste/poop bags as liners, it’s the ideal solution for food scraps, backyard clean-up, BBQ prep, or anywhere you want a tidy, compact bin that works smarter – even your desk.

I chose to use biodegradable dog waste/poop bags for this because they are a fraction of the cost of biodegradable kitchen bags and smaller so you can discard them more frequently at a lower cost.  

Our issue is we do not want to waste the more expensive biodegradable kitchen bags so we try to use them for several days. But by the end of a few days the kitchen waste can start to smell to then you throw it away without filling the bag… wasteful. So back to the small dog poop bags that are much lower cost and the right size for daily discarding.

The GearBin could be ideal for a wide range of applications including:

• Office or desk
• Kitchen countertops
• Outdoor prep areas and BBQ stations
• Composting and daily food waste
• Eco-conscious homes using dog poop bags for liners

The main features of the design are:

Gear-Driven Push Lid:
Open the lid with a simple press on the front bar—no electronics, just clean, mechanical magic.

Folding Liner Frame:
The innovative push-push mechanism folds the bag frame inwards for easy loading and unloading of liners. Holds standard dog poop bags securely.

100% Snap-Fit Assembly:
No glue, screws, or springs. Just print, snap together, and you’re ready to go.

Optional Bucket Insert:
Use with or without a removable bucket insert (included) to catch leaks and assist with liner removal.

I watched a reel promoting a small garbage bin with a folding frame to make it easier to install the liner bag. I thought that was a great idea so that is what I did too. But I made it using a push-push style so you can press it once to collapse the frame and then again to open it once the bag is installed. And, you can do the same to remove the bag.

I have also included a bucket that sits in the GearBin and essentially creates a safe space for the bag. It makes sure the bag can be pulled out from the GearBin even if it is jam-packed. And, that in the event the bag breaks or leaks you have a containment system. But the bucket also means you can use the GearBin without a bag.

I have included some exploded diagrams to help visualize what the GearBin is but to assemble it, you need to watch my instructional video linked at the bottom of this post.

Print Settings

You can print everything in PLA but you should consider printing the spring components in PETG. I have identified those in the print settings table below.

Functional designs (such as this one) generally require more strength than non-functional designs and more strength than the typical default slicer settings provide, so please review your slicer settings carefully.

This product was designed for a 0.4mm nozzle, a 0.2mm layer height. For best results, I suggest the following:

Assembly Notes

I have linked my assembly instructional video below, so please check that out. But also note there are a few pieces of print support to be removed after printing.

The Lid has a small strip of print support that sits under the print-in-place hinge. So look for that as you loosen the hinge after printing.

As well the Bucket has print support on each side to create the handle holes. Carefully break those free before using.

If you are building the GearBin you will definitely need to watch the following assembly instruction video…

The post GearBin™ – Mini Mechanized Trash Bin first appeared on logicalplanet.