THE SUNDOTS JOURNAL

Material notes.
For your next idea.

Practical questions, a closer look at the making, and a little inspiration for what comes next.

11 stories

PLA / PETG 3 MIN READ

PLA vs PETG vs TPU: choose the right 3D printing filament.

Compare PLA, PETG and TPU filament by project, finish, flexibility and working conditions before choosing a 3D printing filament.

FLEXIBLE MATERIALS 4 MIN READ

Compare TPE 3D printing filament with TPU filament and flexible filament by grade, hardness, feed path and trial plan.

THE BUYER’S NOTEBOOK 3 MIN READ

Prepare an OEM filament enquiry with clear material, color, packaging, sample and delivery requirements. A practical checklist for wholesale buyers.

FROM MATERIAL TO PRINT 3 MIN READ

Explore material identification, color development, testing and records in filament manufacturing—and the evidence to discuss for your own project.

ABOUT SUNDOTS 2 MIN READ

Meet SunDots 3D printing filament: PLA, PETG, TPU and TPE ranges, sample-first evaluation, and OEM support backed by Sungallon material expertise.

MATERIAL GUIDE 2 MIN READ

Choose and store PLA, PETG, TPU and TPE filament in humid climates with a sample-first checklist.

PLA GUIDE 2 MIN READ

A practical PLA printing guide covering material choice, profile records, applications and what to verify before scale-up.

PETG GUIDE 2 MIN READ

Learn how to evaluate PETG filament for functional prototypes, including bed adhesion, profile records and sample testing.

FUNCTIONAL PARTS 2 MIN READ

A material-selection framework for functional 3D printed parts: load, heat, flexibility, environment and sample evidence.

CERTIFICATIONS 2 MIN READ

Understand how to read REACH, RoHS and EN 71-3 documents for 3D printing filament and match each report to the named grade or sample.

SHIPPING 2 MIN READ

A buyer checklist for shipping 3D printing filament from China, including packaging, documents, destination, lead time and import questions.