Guides for printing reef gear
Plug sizes, filament and step-by-step builds for parts that live in a reef tank, checked against the numbers ReefCAD itself uses.
Frag plug hole sizes, and why fit matters
Plug stems vary by brand, and printers print holes a little small. Here’s how to find the hole that holds your plugs snug, without guessing.
Choosing filament for saltwater tanks
What each common filament handles, what to keep out of a reef tank, and the print settings that matter more than the brand on the spool.
How to 3D print a custom frag rack
From a tape measure to a rack full of frags: measure, calibrate, design, slice and print, with the settings that actually change the result.
Stop buying racks that almost fit.
Your tank, your plugs, your printer. Design it in a minute, print it tonight.