PETG
PETG guides: print settings, stringing and blobs, layer separation, bed adhesion and drying. PETG is the usual next step after PLA when a part needs to be tougher or survive outdoors, but it wants warmer, slower printing and more patience with retraction.
Wet Filament Symptoms: How to Tell Before You Retune the Printer
Recognize popping, bubbles and rough inconsistent flow, compare with known dry material and dry the spool without guessing temperatures.
How to Level a 3D Printer Bed Without Chasing the Knobs
Separate bed tramming, bed mesh and Z offset so you can correct an uneven first layer without restarting the same adjustment loop.
3D Printer Supports: When to Use Them and How to Remove Them
Choose an orientation first, add support only where geometry needs it, and remove it without using dangerous force near fragile features.
What Is Infill in 3D Printing? Patterns and Percentages Explained
Use infill to support top surfaces and tune stiffness without assuming that a higher percentage is the best route to a stronger part.
3D Printer Nozzle Sizes: What Changes Beyond 0.4 mm
Compare detail, line width, layer height and flow before changing nozzle size, then update every profile field that depends on it.
First Layer Not Sticking: A Safe Diagnostic Sequence
A first layer that will not stick almost always comes down to a dirty plate, a nozzle sitting too far away, or temperatures that…
Reduce Stringing Without Hiding the Real Cause
Stringing looks like one problem but it rarely has one cause. Test filament moisture, nozzle temperature, retraction, and travel separately, in that order, so…
Stop Corners Lifting: A Practical Warping Checklist
Corners lift because the plastic shrinks faster than the bed can hold onto it. Fix the first-layer foundation, control drafts, and save the brim…
Fix Under-Extrusion: Thin Lines, Gaps and Weak Parts
Find whether restricted flow comes from the spool, extruder, temperature, nozzle or an incorrect profile before raising flow.
Clear a Clogged 3D Printer Nozzle Safely
Confirm a restricted flow, try the least intrusive cleaning steps and know when hotend disassembly is not appropriate.
