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Hironori Kondo

Hironori Kondo is a member of All3DP’s Content Academy and contributing writer for All3DP.com.

Hironori is an undergraduate student at Harvard University, and he joined All3DP in 2018. He is an avid maker and researcher, with work encompassing continuous stereolithographic printing and additively-produced materials for energy storage. This is accompanied by industry experience working with some of the leading 3D printing companies in Taiwan. Outside of making, Hironori is a passionate swimmer and a big foodie.

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Featured image of Solve 3D Print “Ghosting” Defects in a few Easy Steps
Haunted Prints
Solve 3D Print “Ghosting” Defects in a few Easy Steps

No need to be scared! 3D printing ghosting or ringing is nothing to fear. Check out this quick guide for easy fixes to prevent it.

Dec 29, 2025
Featured image of No More Wet Filament! Top Filament Dryers from Sunlu, Creality, Bambu Lab & More
No Tumble Drying
No More Wet Filament! Top Filament Dryers from Sunlu, Creality, Bambu Lab & More

We break down the best active drying systems—from budget-friendly units to automatic materials stations—to keep your filament in perfect printing shape.

by Jillian Veader Dec 9, 2025
Featured image of 3D Printing Overhang: How to 3D Print Overhangs
Defy Gravity
3D Printing Overhang: How to 3D Print Overhangs

A necessary evil for makers is 3D printing overhangs. Learn all of our tips and tricks for mastering extreme 3D printing overhangs!

May 31, 2025
Featured image of Cura Retraction Settings: How to Avoid Stringing
Cura Your Stringing Ailments
Cura Retraction Settings: How to Avoid Stringing

Retraction is the key to reducing stringing. Find out how to perfect your Cura retraction settings (including the coasting settings).

May 23, 2025
Featured image of How to Dry Filament: PLA, ABS, Nylon & More
Fragile: Keep Dry
How to Dry Filament: PLA, ABS, Nylon & More

Moisture from the air can easily ruin your 3D printer filament, meaning it can also ruin your prints. Find out how to properly dry filament!

Apr 12, 2025
Featured image of 3D Printing First Layer Problems: How to Make It Perfect
Building Foundations
3D Printing First Layer Problems: How to Make It Perfect

The first layer plays a huge role in a print's success. Read on for some tips and tricks and say goodbye to 3D printing first layer problems!

Oct 26, 2024
Featured image of How to Prevent Clogging in All-Metal Hot Ends
Frustrating but Fixable
How to Prevent Clogging in All-Metal Hot Ends

All-metal hot ends are incredibly popular and versatile, but they're often prone to jamming. Read on to keep your hot ends running smoothly.

May 29, 2024
Featured image of Th Best STEP File Viewers (Online & Offline): Our 10 Picks
Step by Step
Th Best STEP File Viewers (Online & Offline): Our 10 Picks

STEP files are one of the most universal means of sharing 3D information. Check out the best STEP file viewers (online & offline)!

May 22, 2024
Featured image of 3D Printed Board Games: The Best Sites
No More Missing Pieces
3D Printed Board Games: The Best Sites

Lovers of games rejoice! Find miniatures, storage, and board games on our list of the best sites for 3D printed tabletop games stuff.

May 3, 2024
Featured image of 3D Printer Cleaning Filament: How to Use It
The Perfect Purge
3D Printer Cleaning Filament: How to Use It

Clogged nozzles are painful. Read on to find out what exactly makes 3D printer cleaning filament special, and how to use it!

Apr 15, 2024
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Featured image of What Software Do I Need for 3D Printing?
Back to Basics
What Software Do I Need for 3D Printing?

When it comes to 3D printing software, the types and options can seem overwhelming. Read on to find out the must-haves!

Mar 17, 2024
Featured image of The Best 3D Print Speed Settings for PLA & More
Need for Speed
The Best 3D Print Speed Settings for PLA & More

Tuning your PLA print speed can be tricky. Learn how to find the perfect print speed settings for PLA and more materials!

Mar 2, 2024
Featured image of ABS Print Warping: How to Stop It
The Bane of ABS
ABS Print Warping: How to Stop It

ABS is notorious for its tendency to warp. Check out five simple tips on how to prevent your 3D prints from being ruined by ABS warping.

by Hironori Kondo Jan 26, 2024
Featured image of POM 3D Printing (Acetal/Delrin) – All You Need to Know
A Slippery One
POM 3D Printing (Acetal/Delrin) – All You Need to Know

POM, often called Delrin or acetal, is a very popular engineering plastic. Find out how it stacks up when used in 3D printing.

by Hironori Kondo Jan 13, 2024
Featured image of How to Clean Resin Prints – 3 Simple Steps
SLAying Post-Processing
How to Clean Resin Prints – 3 Simple Steps

Cleaning resin prints is a critical part of SLA post-processing. Learn how to clean resin 3D prints in three easy steps.

by Hironori Kondo Dec 30, 2023
Featured image of The Best 3D Printer Calibration Cubes
Calibrating...
The Best 3D Printer Calibration Cubes

A well-calibrated 3D printer always gives better results. Check out the best calibration cubes for the job, with tips on how to use them!

Dec 26, 2023
Featured image of G-code Converter: How to Convert From & To G-code
There's No Place Like G28
G-code Converter: How to Convert From & To G-code

Learn how to go to and from G-code using a G-code converter or a slicer. It's a vital part of the 3D printing workflow!

Nov 1, 2023
Featured image of The Best Glue for PETG 3D Prints
Stuck with PETG
The Best Glue for PETG 3D Prints

Gluing 3D prints is a handy skill to have up your sleeve. Check out the best PETG glues for the job, though many work on other materials!

by Hironori Kondo Sep 23, 2023
Featured image of The Best Prusa Mini/Mini+ Upgrades & Mods
A Mightier Mini
The Best Prusa Mini/Mini+ Upgrades & Mods

The Prusa Mini and Mini+ are remarkable machines, especially for their price. Make them even better with these Prusa Mini upgrades and mods!

Sep 12, 2023
Featured image of 3D Printing Holes: 5 Simple Tips
Hole in One
3D Printing Holes: 5 Simple Tips

3D printing holes is quite common, but it can also be challenging. Check out 5 simple tips to get more accurate holes from your 3D printer.

by Hironori Kondo Aug 30, 2023
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