Great!
Great communication and quality of products. When I have questions about products in more orders, they answer quickly.
By Jeff J.
Friday, November 6, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
596 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
BOM support for open-source hardware. Home of the Blackbox Toolchanger.
KB3D LLC (kb-3d.com) has 596 customer reviews on The Fair Hearing, with an average rating of 5.0 out of 5.
596 approved reviews, newest moderated first
Great communication and quality of products. When I have questions about products in more orders, they answer quickly.
By Jeff J.
Made 3 separate purchases over a two week period. Each purchase was shipped within a day and they arrived within a few days. Very happy.
By D C.
Great parts, exactly as described. Exactly what I needed to unblock my printer build! Shipping is always so fast I’m impressed every time.
By Thomas M.
I like the ease of use of the site, and the ability to buy just about all the little parts that make a big difference including Sunon fans and a pi.
By Bruce Bennett I.
Awesome company. Love dealing with kb3d
By Charles H.
5 stars all dang day
By Austin P.
Unique product priced reasonably, fast shipping
By Michael P.
I feel like all of my reviews are going to read the same. Thanks for helping me spend my 3d printing dollars! The service is always top notch!
By Frank R.