KC3D LLC

08/29/2026

Our most popular charge case - the Ultra Beast G2!

The Ultra Beast G2 is a high-power, four-channel charging case built into a rugged IP67 Nanuk 910 enclosure, using a space-efficient 3D-printed riser deck to maximize power density. At only ~14x11x5" in size, it features a Mean Well RSP-2000-24 power supply, two ISDT P20 dual-channel chargers supporting up to 8S LiPo and nearly 1000W each, temperature-controlled 60mm ball-bearing cooling fans, XT60 outputs for all charging channels, an auxiliary XT60 power port, and auxiliary USB charging outputs up to 60W USB-PD.

Get in contact today to find out how you can get your custom build Ultra Beast G2!

The Ultra Beast G2 is a QOL update to our much beloved Ultra Beast charge case. This update brings a cleaner look, improved thermals, and a switched AC inlet. The Ultra Beast G2 is a compact monster of a charge case, with four charging channels capable of delivering nearly 2000W of charging power, w...

08/17/2026

What is it?

08/17/2026

Thank you to everyone who came to see us at IRCHA 2026! We greatly appreciate your support and hope you enjoy your new parallel boards!

08/04/2026

Amazing weather to start off IRCHA 2026!

We're set up just east of Center Stage. Come say hi, pick up a parallel board, or start us printing something for you!

07/30/2026

Not only are we going to be at IRCHA, but we'll be printing your orders on demand!

We're bringing one of our compact 3D printers to IRCHA. While we won't have our normal huge selection of colors, if you don't mind it being printed in black we can get you most of the items available on our site within a couple of hours.

Stop by and tell us what you need, then come back in a couple hours ready to buy! We'll make a post with our approximate location on the flight line once we arrive.

IRCHA Special:
Antenna Guide: $1/ea, $2 for 3
Ball Link Wrench: $5
Anything else? Ask!

07/27/2026

We will be attending IRCHA 2026! We'll have with us our new OMPHOBBY M1 V3 PRO GY15 parallel board, some of the regular 2s and 3s parallel boards, as well as some other odd and ends for you to purchase or pick up at the event.

07/09/2026

NO LONGER A PREORDER!

In stock NOW @ KC3D and ready to ship.
Noreastern USians and folks in the UK can look forward to stock closer to you at New England RC and Midland Helicopters respectively, very soon.

By popular request, we have created a version of our 2s balance-only parallel charge boards made specifically for the new batteries and GY15 connector used on the OMPHOBBY M1 V3 PRO. Fancy purple PCB. Soft foam backing to prevent short circuits and scratching the surface it rests on. Comes with bala...

07/06/2026

You asked, we answered!

Parallel charging board for the M1 V3 PRO - Available soon!
Preorder now and get yours first.

We also have a couple of dealers that will have them on hand soon.

New England RC, Massachusets
Midland Helicopters, UK

PREORDER. ETA Late July to early August By popular request, we have created a version of our 2s balance-only parallel charge boards made specifically for the new batteries and GY15 connector used on the OMPHOBBY M1 V3 PRO. Fancy purple PCB. Soft foam backing to prevent short circuits and scratching....

06/13/2026

Convert your favorite 20x20 flight controller and ESC stack for use in 180-200 size helicopters with our Stack Adapter Board.

Designed specifically for micro helicopter conversions, this custom breakout board provides:
• 3 Picoblade 1.25mm servo outputs
• JST-GH 4-pin receiver UART connection
• Compact 41x27mm footprint
• Completely flat bottom surface for easy double-sided tape mounting

Whether you're building a custom Rotorflight machine or modernizing an older helicopter, this adapter makes integration quick, clean, and reliable.

Designed and hand-assembled by KC3D in the USA.

Now IN STOCK and shipping! Use this adapter board to convert your 20x20 ESC/FC Stack to fit on most 180-200 size micro helicopters with Picoblade 1.25mm servo connectors. This is a custom adapter/breakout board which features 3 servo outputs and a JST-GH 4-pin UART connector for your receiver. The P...

06/03/2026

Coming soon!