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Sarah Cheny

Expert & Researcher

3D printing and 3D scanning researcher with 10+ years of experience in materials science and additive manufacturing. Expert in FDM, SLA, and SLS technologies, covering in-depth guides, product reviews, top picks, troubleshooting articles, and industry news.

9 Articles

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Sarah Cheny

Recent Articles From Sarah Cheny

DMLS vs EBM: A Complete Guide to Powder Bed Fusion Technologies
3D Printing

DMLS vs EBM: A Complete Guide to Powder Bed Fusion Technologies

Trying to figure out Dmls vs Ebm for your next metal project? Laser precision meets electron beam power in powder bed fusion. Get the full scoop on wh...

Jan 1, 1970
Complete Guide to Polishing 3D Prints for a Smooth Finish
3D Printing

Complete Guide to Polishing 3D Prints for a Smooth Finish

Polishing 3D Prints can transform rough layer lines into sleek, professional surfaces. Learn the techniques makers use to refine prints and improve fi...

Jan 1, 1970
FDM vs SLA: The Beginner's Guide to Filament vs Resin 3D Printing
3D Printing

FDM vs SLA: The Beginner's Guide to Filament vs Resin 3D Printing

Confused by FDM vs SLA and resin 3d printing vs filament differences? This beginner-friendly breakdown makes choosing your first 3D printer far less i...

Jan 1, 1970
PolyJet vs SLS: Comparing the Advanced 3D Printing Technologies
3D Printing

PolyJet vs SLS: Comparing the Advanced 3D Printing Technologies

Deciding whether to invest in PolyJet vs SLS is tough, especially when comparing advanced technologies. We break down the differences between SLS vs P...

Oct 15, 2025
How to Make 3D Printed Gun Parts
3D Scanning

How to Make 3D Printed Gun Parts

Delve into the intricate process of creating 3D printed gun parts, tailored for advanced hobbyists and engineers. This guide offers a comprehensive lo...

Sep 4, 2021
3D Printing

J3DTech Guide to Resin 3D Printing

Dive into the world of resin 3D printing with J3DTech's comprehensive guide. Perfect for intermediate users and small business owners, this guide expl...

May 7, 2021
3D Printing

J3DTech Guide to Resin 3D Printing (Copy)

Dive into the world of resin 3D printing with J3DTech's comprehensive guide. Perfect for intermediate users and small business owners, this guide expl...

Apr 12, 2021
3D Printing

9 Effective Ways To Fix Under-Extrusion (& How To Identify) (Copy)

Struggling with under-extrusion in your 3D prints? This comprehensive guide explores the common causes and straightforward solutions to tackle this is...

Jan 23, 2021
3D Printing

9 Effective Ways To Fix Under-Extrusion (& How To Identify) (Copy)

Struggling with under-extrusion in your 3D prints? This comprehensive guide explores the common causes and straightforward solutions to tackle this is...

Nov 16, 2020