An Epoxy & Glue Bottle Holder for 1/4" Pegboard
A 3D printed rack for pegboard that holds both bottles of two-part epoxy, with four printed mixing trays in a slot underneath. Free to download on Printables.
3D Printing
A Magnetic Tool Holder Bar for 1/4" Pegboard
A 3D printed magnetic bar for pegboard that holds hex keys, driver bits and steel rulers on 13 magnets that press into slots with no glue. Free to download on Printables.
A Swing-Out Screwdriver Arm for 1/4" Pegboard
A 3D printed screwdriver rack for pegboard that swings out on a hinge, so you don't have to leave empty board above it to lift the drivers out. Free to download on Printables.
A Screw-In Pegboard Holder for a 1/4" Driver Set Case
A 3D printed pegboard holder for a 1/4" driver set case that screws to the board with two printed 1/4-20 screws, so it doesn't lift off when you grab the case. Free to download on Printables.
Import STEP Files into Blender with the STEP Importer Extension
Install the free STEP Importer extension in Blender 5.1 or newer and open SolidWorks STEP files at their true size. The same file opens in PrusaSlicer, with no meters to millimeters conversion on either end.
Fix 3D Models in PrusaSlicer, Not Blender
Skip Blender's 3D-Print Toolbox. Export the STL, let PrusaSlicer repair non-manifold edges and flipped normals, and know when to fix it in Blender instead.
Blender Quick Tip: Set Up Units for 3D Printing
Set Blender's unit scale to 0.001 so one unit is one millimeter, export STLs at scale 1.000, and stop parts arriving in the slicer a thousand times too small.
Custom Planter Saucer with Blender Geometry Nodes
A parametric planter saucer in Blender Geometry Nodes: eleven inputs for size, corner radius, taper and drain ribs. Free STLs on Printables, .blend on CGTrader.
3D Printing vs. Store Run: Putty Knife Cost
A 3D printed PETG putty knife cost 20 cents and 7 minutes of effort. The store run would have cost $58 counting mileage and time. The math and the free file.
3D Printed Imperial/Metric Diameter Gauge
A thicker 3D printed tapered-slot gauge that reads screw, bolt, drill and wire diameters in inches and millimeters without slipping into threads. Free.
Why I Moved My 3D Print Files to Printables
Why 3D print files now go to Printables (reward points for filament and printers) while rendering models stay on CGTrader.
3D Printed Altoids Tin Rack (Free STL)
A 3D printed rack for Altoids tins that grew into three versions for hardware boxes of different heights. Modeled in Blender, free STL on Thingiverse.
Thingiverse: Diamond Cutter Box
A 3D printed box for a Harbor Freight diamond wheel set, with a slot so the arbor stays assembled. Designed in Blender, free on Thingiverse.
What Can You Do With a 3D Printer? Six Uses
Six things people actually print: home decor, replacement parts, school and hobby models, accessories, medical devices and personalized gifts.
New Prusa Surprise
A melted power plug left the old Prusa's miniRambo board rebooting every time the bed heater kicked in. Why a new printer beat a new board, and the surprise inside.
13 Practical 3D Prints Around the House
Thirteen 3D prints in daily use around the house: a dog bottle strap, screwdriver inserts, a door bracket, a grill hinge repair, a light-switch servo and more.
Blender Units for 3D Printing: STL Export Scale
Blender 2.79 unit settings for 3D printing: inches with unit scale 0.0254 and STL export at 25.4, millimeters at 0.001 and export at 1.0, or meters with export at 1000.
3D Printer Time Lapse Video
Prusa's method for 3D print time-lapses with a phone and an Adafruit Feather Bluetooth board, and why an ESP32-CAM might be the better build.
My Free 3D Printable Models on Thingiverse
Free 3D printable models on Thingiverse: a lamp post skull, cork board corner mounts and a Workmate replacement part.
Metal Plating 3D Printed Parts
Metal plating adds strength and surface protection to 3D printed plastic parts. Repliform plates them in several metals.
Convert your 3D Printer into a laser cutter
An Instructables guide to turning a Prusa i3 into a laser engraver with a 500 mW laser module for under $40.
3D Printing for Investment Casting Metal Parts
How a 3D printed pattern became a stainless steel impeller through investment casting, PolyCast filament, and why the process beat lost wax on time and cost.
Why Are I-Beams Shaped Like an I?
Real Engineering's video on the second moment of area explains I-beam shapes and shows where to remove plastic from a 3D print without losing stiffness.
The strongest material
MatterHackers printed parts in different filaments and broke them. A plain-language strength comparison for anyone worried whether a print will hold.
Furniture Arrangement
A Formlabs engineer printed a 1:25 model of his apartment, walls, floor and furniture, to test layouts before moving in.
3D Modeling in Blender for 3D Printing
Sculpteo's overview of modeling for 3D printing in Blender: the 3D Printing add-on, common mistakes and a walk-through on a simple cat model.