3D Printing Resources | SpoolHound

Reddit Communities

~2.9M subscribers

The main 3D printing subreddit. Good for showcasing prints, troubleshooting, and keeping up with the community. Founded 2011, it is by far the largest and most active 3D printing community on the internet.

reddit.com/r/3Dprinting

The Bambu Lab community. Active, fast-moving. Tips for AMS, multi-color printing, and Bambu-specific slicer settings.

reddit.com/r/BambuLab · since 2022

Post a photo of your failed print and get specific, actionable advice. Invaluable when you're stuck on a persistent quality issue.

reddit.com/r/FixMyPrint · since 2014

Prusa MK4, MINI, and XL owners: firmware, mods, official updates.

reddit.com/r/prusa3d · since 2016

Ender, K1, and other Creality printer owners. Mods, firmware, upgrades.

reddit.com/r/Creality · since 2019

Request prints from the community. Functional parts, replacements, custom items.

reddit.com/r/3Dprintmything · since 2013

Adventurer, Guider, Creator series. Firmware tips, mods, troubleshooting.

reddit.com/r/FlashForge · since 2013

Open-source, self-built printers. Deeper technical discussion among Voron builders and Klipper users.

reddit.com/r/Reprap · since 2008

Beginner-friendly troubleshooting. Less intimidating than the main sub.

reddit.com/r/3Dprintinghelp · since 2015

YouTube Channels

Stefan Hermann tests filament with actual tensile machines and publishes the numbers. Material comparisons and tuning methodology: best channel if you care about the data.

youtube.com/@CNCKitchen

Angus Deveson covers materials, design for 3D printing, and honest printer reviews. One of the best channels for understanding the fundamentals.

youtube.com/@MakersMuse

Tom Sanladerer does rigorous, engineering-minded reviews and deep dives. Excellent for understanding printer mechanics and slicer settings.

youtube.com/@MadeWithLayers

Filament Friday

Chuck Hellebuyck specializes in slicer settings and practical print tuning. His Cura and Bambu tutorials are some of the clearest available.

youtube.com/@FilamentFriday

Klipper configuration, printer mods, and calibration deep dives. Great if you're going beyond out-of-the-box settings.

youtube.com/@ModBotArmy

Functional prints, large-format projects, and multicolor workflows. Great for inspiration on ambitious prints and seeing what's possible with modern hardware.

youtube.com/@UncleJessy

Voron builds and advanced Klipper tuning. One of the best channels for self-sourced printer builds and getting the absolute most out of your hardware.

youtube.com/@CanuckCreator

3D printing news, hardware reviews, and industry coverage. Good for keeping up with new printer and filament releases.

youtube.com/@thenextlayer

Print File Sites

Bambu Lab's model platform. Growing rapidly, strong curation, and rewards creators. Excellent quality control compared to older sites.

Prusa's model sharing platform. One of the largest free libraries available - well organised, good search, and an active community.

3D model search engine that aggregates results across multiple platforms. Useful when you need to find something fast across all sources at once.

The original. Enormous archive of over 3 million models. The site is dated and slow, but the back catalogue is unmatched for obscure or niche parts.

thingiverse.com

Mix of free and paid models with a strong focus on design quality. Good source for decorative pieces, miniatures, and fashion-adjacent designs.

Best known for high-quality tabletop miniatures and terrain. Free and paid models - the go-to for D&D and wargaming content.

myminifactory.com

Tools & Calculators

The open-source slicer of choice for most serious FDM users. Built-in calibration tools, solid multi-material support, actively developed.

github.com/SoftFever/OrcaSlicer

Bambu Lab's official slicer. Best-in-class multi-color painting workflow and AMS integration. Based on PrusaSlicer / Orca.

bambulab.com/software

The open-source slicer that Bambu Studio and Orca are both forked from. Excellent profile library and fine-grained control over supports.

prusaslicer.com

Open-source printer firmware that runs on a Raspberry Pi. Enables input shaping, pressure advance, and much faster speeds on compatible printers.

AI-powered print failure detection and remote monitoring. Watches your prints via webcam and pauses automatically when it spots spaghetti or a detached part.

Ellis' Print Tuning Guide

Ellis covers pressure advance, flow rate, first layer, retraction, and more with clear methodology and test prints. The calibration guide people actually use.

Teaching Tech Calibration

Step-by-step calibration site with interactive tools for bed levelling, first layer, retraction, temperature towers, and linear advance.

teachingtechyt.github.io

Self-hosted filament inventory manager. Track weight remaining, spool history, and integrate with Klipper/OrcaSlicer to deduct used filament automatically.

github.com/Donkie/Spoolman

Bambu Lab's companion app for iOS and Android. Monitor and control your printer remotely, view time-lapses, and manage your print queue from your phone.

bambulab.com/handy

Free browser-based tool that adds surface textures to STL and 3MF files. Upload a model, pick a pattern, and download the textured version. No software install needed.

3D Beard Calculators

Flow rate, temperature tower, and retraction calculators in one place. Handy quick-reference tools when dialling in a new filament or printer profile.

3dbeard.com/tools

Blogs & News

Well-written posts on 3D printing techniques, new materials, and industry developments. Even if you don't own a Prusa, the content is broadly useful.

blog.prusa3d.com

All3DP covers printer reviews, buying guides, and new releases. Best site for industry news and keeping up with what's shipping.

Hackaday - 3D Printing

Hackaday's 3D printing coverage skews toward novel uses, DIY builds, and engineering applications. Less consumer-focused, more interesting.

hackaday.com/tag/3d-printing

Daily 3D printing industry news covering new printers, materials, business moves, and emerging applications. Good for staying current with the broader industry.

Longer-form analysis and commentary on the 3D printing industry. Less review-focused than All3DP - more opinionated takes on where the technology is heading.