Print better with PrintFit – precisely fitting parts on any 3D printer

Why do my 3D printed parts never fit together. It seems the hole is too small, and the piece too wide : r/3Dprinting

ELEGOO Neptune 4 Pro 3D Printer, 500mm/s High Speed FDM Printer with Klipper Firmware, Auto Leveling and Direct Drive Extruder, Easy Assembly, 8.85x8.85x10.43 Inch Printing Size: : Industrial & Scientific

ELEGOO Neptune 4 Max 3D Printer, 500mm/s High Speed Large FDM Printer with High-Temp Nozzle, Auto Leveling and Direct Drive Extruder, 16.53x16.53x18.89 Inch Printing Size: : Industrial & Scientific

I want these two pieces to fit into each other, and it should be as tight as possible, so they only come loose if you use force from your hands. This is

How to Make 3D Printed Parts Fit Together · Streamhead

Tips for 3D Printing Press-Fit Parts — Workshop

How to connect two parts with 3D printed joints and snap fits

Guide to 3D Printing Tolerances, Accuracy, and Precision

3D Printing Design Tips

Fits, offsets, and 3D printing

Does everyone make quick test prints to get just the right fit when finished? : r/functionalprint