Colour Collar Marker Rings for Smartwater Bottles

Smartwater bottles are very popular among hikers. I’ve designed these simple collar rings that snap around the neck of the bottle, making the bottles easy to mark.

The ring is very easy to print. I used PLA and PETG, and they work equally well.

Download the STL file for the ring here:

This design on Thingiverse.
This design on PrusaPrinters.

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Custom Mount for D’Addario Planet Waves Clip Free Guitar Tuner

Custom Mount for D'Addario Planet Waves Clip Free PW-CT-21 Guitar Tuner installed with a custom mount in use

I could not mount the D’Addario Planet Waves clip free guitar tuner (model PW-CT-21) onto the headstock of my travel guitar. The headstock of the guitar is so small that there is no way to attach it so that it would not interfere with the left hand. I designed and 3D printed this custom mount for the tuner to solve that issue. The mount places the tuner in between two tuning machines, raising the tuner just above the machines. The mount attaches with the two long wood screws supplied with the tuner.

I am sharing this design in the hopes that it may be useful to someone else. It is fully parametric, and, most likely, you only need to change one parameter – btwn_mounting_holes_oc, which is the distance between the two tuning machines mount holes, on center, measured as accurately as possible. You may also want to increase the height parameter if the mount is not tall enough, and the tuner does not clear the tuning machines.

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Upside Down Shampoo Bottle Stand

Upside down shampoo stand CAD rendering.

Here is a simple 3D model for standing a shampoo, conditioner, detergent, or liquid soap bottle upside down. The diameter of the hole for the bottle cap is 31.5 mm. If you need a stand for a different diameter, let me know, and I’ll generate it, or you can download the Fusion 360 or STEP file and modify it yourself. I printed mine in white PETG with 15% infill.

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Raspberry Pi Camera Mount for Prusa MK3/S/+ MK2/S

CAD rendering of the Picam mount, front right.

I have been using the Articulating Pi Cam mount with my Prusa MK3S. The joints between the links were coming lose all the time, and the 3D-printed screws were breaking when I was trying to tighten them. I designed my own arm for the mount, which:

  • Uses metal M3 fasteners, which can be tightened properly so that they would not come lose,
  • Is more than twice lighter than the articulating arm,
  • Has a slightly bigger ball for the ball joint, to make that joint a little bit tighter,
  • Is compatible with the camera head from the articulating arm, so if you are already using the articulating arm, you can reuse the camera case from it.
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Beer Can Mod For Prusa MK3/S/+

Installed shims

This article describes a very simple way to level the bed on a Prusa MK3/S/+ virtually for free. I’ll show you how you can use a beer can to make metal shims, and then easily install those shims to achieve a nearly perfectly flat printing surface on your Prusa. I will also discuss the reasons to do (or not to do) this, and compare this method to the fairly popular “Nyloc Nod”.

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3D Printed Flying Spaghetti Monster Tree Topper

Flying Spaghetti Monster tree topper assembled

I designed and printed a large New Year tree toper of Flying Spaghetti Monster emblem. This post is to share the devine noodly goodness (or is it godness) with the world. My 3D printer can print up to 25 cm by 21 cm, so this model is split in three parts to be glued together.

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3D Printed Fence for Kreg Jig Mini

Frence for Kreg Mini jig, CAD rendering, main view

When looking for a pocket hole jig, I had difficulty choosing between the various versions Kreg offers. On the one hand, I wanted the Mini because it is the smallest jig that can get into tight places, and is very cheap. On the other hand, I wanted the jig to have a nice fence for easy, repeatable pocket holes. I decided to design my own fence system for the Kreg Jig Mini, which, I believe, is more flexible than the fence that comes with the Kreg Jig 320. The fence I designed allows for a greater range of adjustability and features alignment windows for precise positioning of the jig on a drawn pencil line.

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Filament Spool Weighing Jig for Small Scales

Did you ever try to weigh a spool of filament on a small kitchen scale? If you lay it flat, you can’t see the scale’s display. If you try to stand it up, it rolls off the scale. This simple jig is designed to solve that problem. With it you can stand the spool of filament up on your small scale and easily read the scale.

Filament spool weighing jig - CAD rendering
Filament spool weighing jig – CAD rendering
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Weighted Universal Thread Stand for Cones and Cross Wound Spools

Universal Thread Stand for Cones and Spools

I designed a thread stand to be used with thread cones and cross-wound thread spools (for sewing machines that don’t have horizontal spool pins). To make the stand a bit more substantial, the base can be filled with something heavy, like sand, lead shot, or bearing balls. The conical spool cap has two diameters: wider for bigger spools, and narrower for smaller ones. To make it you need a 3D printer, some glue, and 12-gauge steel wire for the center pin and the arm.

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Ultimate 3D Printed Table Saw Throat Insert With Dovetailed Zero Clearance Strips

I designed an all-in 3D printed table saw throat insert. It features changeable dovetailed zero clearance strips that are easy to make from 1/4″ birch plywood. The insert allows full range of movement of blade and splitter (height and tilt angle). It has leveling feet for perfect alignment with the table surface, a safety tab, and fine fit adjustment screws. It can be printed on most common household 3D printers. While it is tailored for my particular table saw, I’m hoping that the design can be tweaked to fit other left tilting saws.

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