3D Printer FYILibrary
Guides
Each guide is built to help you choose, set up, diagnose, or calculate — then send you to the next useful page.
FDM or resin: choose the process for the part and the room
Decide between filament and resin from one named part, the workspace you actually have, and the finishing you will do.
PrintersThree first printers with documented catalog records
A shortlist of three demand-selected machines that already have entity pages and either a dated USD offer or an explicit unverified price.
DiscoverFind a model you can actually use
Choose a verified model source, inspect the exact file and license, and save enough context to revise or reproduce the part.
GuidesCalibration: keep a baseline worth returning to
A practical sequence for recording a known setup, testing one change and deciding whether it improved the part.
GuidesAn enclosure is a set of promises
Design the interior, mounting, cable access, and assembly sequence before celebrating the outside of the box.
GuidesMaintain the printer you own, not the one in the tutorial
Build a condition-based maintenance routine, distinguish wear from tuning problems and verify the machine after each intervention.
GuidesYour first print should be deliberately boring
Set up the machine, verify its first layer and save a baseline you can reproduce before changing the interesting settings.
GuidesYour G-code has a memory
Read motion and extrusion commands as a stateful program, including the resets that make naive previews lie.
GuidesResin printing includes everything after the print
Prepare a complete handling, washing, curing and waste workflow before treating a resin printer as a finished production process.
GuidesThe hole you drew is not the hole you printed
Use calibration coupons and the actual mating part to choose clearance, rather than borrowing a universal magic number.
MaterialsPLA, PETG or ABS: start with the part
Choose a first material by environment, load, surface and printer constraints instead of a universal strength ranking.
PrintersHow to choose an FDM printer for the parts you actually make
Turn part dimensions, material needs, workflow and ownership costs into an explainable printer shortlist.
TroubleshootTroubleshoot the symptom before buying the cure
Identify when and where a print fails, test a plausible cause and preserve enough evidence to decide the next step.
MaterialsHeat-adjacent housings: a temperature note is not a rating
Shortlist materials for a housing near a warm component using family heat notes, then keep the test method attached to every number.
MaterialsOutdoor printed parts: start from family guidance, not a weather sticker
Use documented outdoor-use family notes to shortlist materials for a clip or cover that will sit outside, then verify the exact SKU.
GuidesSlicer field guide: what the current documentation actually covers
Compare PrusaSlicer, Bambu Studio, UltiMaker Cura, and OrcaSlicer from dated official documentation. No first-hand print matrix and no downloadable profiles.
BusinessThe filament is not the price
Build an itemized job cost, distinguish markup from margin and calculate a quote from explicit assumptions.
DiscoverThe expensive part is finding out the hole is wrong
CNC Kitchen’s insert test pieces turn a vague fit problem into a small, repeatable experiment.
DiscoverThe printer ran out of bed. They brought a treadmill.
Ivan Miranda and Proper Printing turn a workshop constraint into an experiment in changing the machine itself.
GuidesUpgrade the bottleneck, not the entire printer
Choose a modification from a measured limitation, check compatibility and prove that the resulting machine is better at its actual job.
MaterialsAdvanced filament should buy a specific property
Evaluate flexible, outdoor, nylon, polycarbonate and fiber-filled formulations against the part and the machine that must print them.
MaterialsCount the plastic that becomes a useful part
Separate material claims from local disposal reality, and measure waste and energy per accepted part.
GuidesChoose CAD by the change you need to make
Match mechanical parts, procedural designs and organic shapes to an editing workflow, then verify the exported geometry before printing.
BusinessBuy the printer after defining the bottleneck
Compare in-house production with outsourcing using accepted parts, actual capacity, repeatability and a bounded pilot.
DiscoverDesigners worth studying through their parts
Explore a finished design family, inspect its interfaces and take a practical method back to your own project.
DiscoverFind the source that lets you change the machine
Navigate hardware designs, firmware, slicers and printed instruments without confusing downloadable files with a complete open project.
EducationA classroom print should answer a question
Plan a lesson, a manageable queue and a supervised printing workflow that produces evidence students can discuss.
GuidesMultiple materials, multiple chances to misunderstand the job
Compare switching architectures, qualify material pairs and account for purge, supports and actual accepted parts.
DiscoverZack Freedman — Gridfinity
Shoutout: Zack Freedman’s Gridfinity listings on Thangs, his own photos, licenses to verify, and what to steal as a designer.
DiscoverFeatured Makers
Makers and teachers who use 3D printing as a tool. Two series: Build Volume Is A Suggestion, and Print Smarter.
DiscoverBuild Volume Is A Suggestion
Makers, engineers, and professional bad influences using 3D printing to build things that have absolutely no business fitting on a printer.
DiscoverGet In. It’s a Benchy.
Build Volume Is A Suggestion #003: Emily The Engineer scaled 3DBenchy into a working boat, stood an Ender 3 up to 10 feet, and treated waterproofing as a joinery problem.
DiscoverIvan Miranda Has Declared War on Reasonably Sized Objects
Build Volume Is A Suggestion #001: giant printers, a rideable printed tank, a treadmill belt printer, and a kayak that required maritime testing.
DiscoverCome for the Printed Parts. Stay for the Saddle.
Build Volume Is A Suggestion #002: James Bruton’s ball bikes, screw-bike, openDog, and a rideable transformer — CAD to printed mechanism to something you sit on.
DiscoverYour printer is probably fine. Let's work on the operator.
Creators who teach you a trick, bust a myth, or quietly reveal that you've been doing something wrong for four years.
DiscoverCNC Kitchen — “Some guy on Reddit said” is not a test method
Print Smarter: Stefan Hermann builds a test, prints an unreasonable number of samples, breaks them, graphs the remains, and ruins three confidently held opinions before lunch.
DiscoverMade with Layers — The manual your printer forgot to ship with
Print Smarter: Thomas Sanladerer has been answering the question you were about to post — usually more clearly, and without telling you to replace half the printer first.
DiscoverMaker's Muse — CAD stops being homework
Print Smarter: Angus Deveson teaches the part of 3D printing that becomes obvious after the honeymoon: designing the thing you actually need.