iiinova — where your digital self keeps evolving

Reposted by KDxGP

Bull Built Bro Growing Bigger @bullbuilt.bsky.social · 14/09/2026

Can’t wait to get home to use this 12” giant bull master I 3D printed from files by @kdxgp.bsky.social. I did modify length to 12” since I’m long and need the headroom. MeatUp East in FLL prep 😜 @tonyvegaxxx.bsky.social #bullmaster357 #penispumping #ballpumping

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KDxGP @kdxgp.bsky.social · 14/08/2026

Small updated on my pump configurator: You can now get some more stats about your config by activating the "Info Panel". Also added Spanish and Italian translations (with help of AI, any feedback if it's actually correct is highly welcome)

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KDxGP @kdxgp.bsky.social · 26/07/2026

I hope the new version makes it easier for you to choose

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KDxGP @kdxgp.bsky.social · 26/07/2026

After what was a hell lot more work then anticipated, I just released a complete overhauled version of my custom pump configurator at pmpcfg.kdxgp.com . Go check it out and I would love to hear you feedback! If you spot any issues I would appreciate if you let me know, so that I can fix them.

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KDxGP @kdxgp.bsky.social · 28/06/2026

🥵🥵Fighting the European heatwave with some metal heat sinks for passive cooling #ballstretching #ballweights

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Reposted by KDxGP

Lennypumper @lennypumper.bsky.social · 28/05/2026

Many years ago i needed a quick solution for separating water from my pump. What started as 5 Minutes workaround envolved to a valuable companion for years….

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KDxGP @kdxgp.bsky.social · 11/05/2026

Oh that's a cool print! What is it? Clear PETG with aligned top/bottom layers?

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Reposted by KDxGP

Pup Darkmatter @pupdarkmatter.bsky.social · 11/05/2026

Had a fun pumping session. Nipples, udder and hole 🐮 Used @kdxgp.bsky.social pmpctrl and clone bullmaster I built

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KDxGP @kdxgp.bsky.social · 10/05/2026

Oh yeah! Scaled up build to 180mm diameter (~7.08in), with 70mm opening (2.75in), of my two stage split design is a success! But I have to admit I found a minor issue with the gasket thickness. I'm talking about 0.1mm... maybe I'm stepping into over-engineering territory...

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KDxGP @kdxgp.bsky.social · 30/04/2026

🚨 BETA TESTER WANTED 🚨 I've built one beta test version of my 2-stage split entry design and it's hungry for some action (check pics for specs). Head over to x.com/KDxGP/status... to maybe be the lucky pump lab rat 🐀😉 (sorry for the none-X/Twitter-users, I just have to most followers there)

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KDxGP @kdxgp.bsky.social · 22/04/2026

A bit of the design history of the 2-stage split pump

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KDxGP @kdxgp.bsky.social · 20/04/2026

2nd test-drive of my 2-stage split entry design prototype. Still holding with no leaks. It has a 70mm (~2.75") opening, which is good for about 1h before I get stuck. But luckily I can sparated it 😁 #cockpumping #cockpump #ballpumper #ballpumping #penispumping #penispump #pumping #vacuumpumping

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KDxGP @kdxgp.bsky.social · 14/04/2026

Heureka! The FINAL (at least I hope so...🤞) prototype of my 2-stage design with a split opening. 👉On to test-driving it!

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KDxGP @kdxgp.bsky.social · 01/04/2026

I poured my blood, sweat & sanity into this. I went full MAD SCIENTIST in a secret pump lab, unleashing forbidden tech: next-gen AI + space-grade innovations. This isn't just a pump...THIS IS THE GREATEST REVOLUTION IN PUMPING HISTORY. DA_KNOT drops NOW. Model files on my Printables profile.

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KDxGP @kdxgp.bsky.social · 24/03/2026

Just the documentation is work in progress. Parts won't change

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KDxGP @kdxgp.bsky.social · 16/03/2026

Any should do. Just stay away from those metal/shiny decorative filaments. They have nylon mixed in to achieve the effect which causes terrible layer bonding.

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KDxGP @kdxgp.bsky.social · 07/03/2026

I'm afraid I do not allow for commercial use. This is a violation of the license I published it under. The model is free for personal use only.

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KDxGP @kdxgp.bsky.social · 25/02/2026

Some new design coming: - olive green urban camouflage - black/blue #puppypride - purple certified pump puppy

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KDxGP @kdxgp.bsky.social · 23/02/2026

I have updated my 3D printable DIY #BullMaster clone. It now comes in sizes from 3" to 4" and different thicknesses. You can find all model files to download on my Printables profile -> www.printables.com/model/150879...

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KDxGP @kdxgp.bsky.social · 31/01/2026

I started work on publishing my PMPCTRL automatic pump setup. Still a lot of writing, making images and cleaning up software repositories to do before I can call it 'published'. You can track progress on www.kdxgp.com/pmpctrl Feedback and input are always appreciated. #cockpumping #ballpumping

kdxgp.com

KDxGP PMPCTRL

Documentation of bulding ans using PMPCTRL by KDxGP

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KDxGP @kdxgp.bsky.social · 21/01/2026

Basically it's my 2-stage design with the difference being that the opening is one solid piece but two

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KDxGP @kdxgp.bsky.social · 21/01/2026

Yes that would be a solution, but still doesn't solve the gasket. I want to make it as easy as possible for people to maintain it without having to order custom parts for it.

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KDxGP @kdxgp.bsky.social · 21/01/2026

I've actually tried this, but the two halfs need to be aligned precisely which isn't always the case when you try to clamp it. Can be solved but still wouldn't tackle the drawback of screwing and custom gasket

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KDxGP @kdxgp.bsky.social · 21/01/2026

I'm inching closer to a viable solution for my 2-stage split design. But: 1) It needs four screws+shims. Putting it on/off is fiddly. 2) The gaskets wear off and need replacement. They're easy and cheap to make, but ideally you would require tools (hole-punch) to make. Your thoughts on that?

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KDxGP @kdxgp.bsky.social · 08/12/2025

Oh boy, you have this tube just a bit over a week now

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KDxGP @kdxgp.bsky.social · 08/12/2025

Why 'fuck'? Already to small again?

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KDxGP @kdxgp.bsky.social · 08/12/2025

If you just send them the model I guess they don't even know what it is, so I don't see why it should be a problem. I hear PCBWay is ok

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KDxGP @kdxgp.bsky.social · 08/12/2025

There are a lot of online services where you can get stuff printed. I've never tried one, but they exist

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KDxGP @kdxgp.bsky.social · 08/12/2025

If you're into DIY'ing your own pumps and looking for a BullMaster BMC357, I've made a clone model for you to download at www.printables.com/model/150879... to print it yourself

printables.com

BMCC - BullMaster BMC357 Clone by KDxGP | Download free STL model | Printables.com

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KDxGP @kdxgp.bsky.social · 05/12/2025

I never said I would💪

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KDxGP @kdxgp.bsky.social · 05/12/2025

As Edison has discovered lots of ways how to not make a light bulb, I'm finding new ways of how to not make a 2-stage split pump. But I'm only at 6 attempts so far.

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KDxGP @kdxgp.bsky.social · 03/12/2025

Once it's calibrated it's easy. Problem is that you need to tune it to the volume you pump. Otherwise the system starts to become unstable because for the forces are different. So there's always adjustment needed for a new volumes for cycle/switching times of the pump, valve and sensor.

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KDxGP @kdxgp.bsky.social · 02/12/2025

Yes, I only sell the 2-stages. The electric pump is too far from being user-friendly enough that I would sell it with a good conscience.

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KDxGP @kdxgp.bsky.social · 01/12/2025

Ups. Seems I made a typo in the manual. 109.65mm like in the drawing is correct for the outer diameter

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Reposted by KDxGP

Huge Girth Pump! 🇨🇵 @hugegirthpump.bsky.social · 30/11/2025

My new KDxGP just arrived! Amazing quality. 4,1x11". Fucking huge! @kdxgp.bsky.social

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KDxGP @kdxgp.bsky.social · 24/11/2025

If you want to spot @extremgirthpump.bsky.social pumping in the woods, you'll need to look more carefully. Otherwise it will be hard to see him with his new custom camouflage pump (kdxgp.github.io?c=%2373835e&...). #cockpumping #cockpump #penispumping #penispump #hugebulge #monstermeat

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KDxGP @kdxgp.bsky.social · 03/11/2025

I wanted to build an orange Halloween pump but unfortunately couldn't find the time. Would have made a good pun ... pump(kin)

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KDxGP @kdxgp.bsky.social · 25/10/2025

"Big Blue" (kdxgp.github.io?c=%2332599c&...) next to a Monster Tube Sr. photo generously provided by it's owner (Thank you!)

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KDxGP @kdxgp.bsky.social · 13/10/2025

Depends on the size you want. Check out my configurator kdxgp.github.io and DM me than I can give you a price

kdxgp.github.io

KDxGP PMPCFG

Build your Dream Pump

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Reposted by KDxGP

CheetahL3WDS @cheetahl3wds.bsky.social · 07/10/2025

After years, I finally treated myself to a new ball pump! Custom sizing, color, and designs available from @kdxgp.bsky.social! I may have misjudged the size XD, but at least it is significantly lighter and I can't wait to get into it 😈

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KDxGP @kdxgp.bsky.social · 25/09/2025

Oh yeah, It's really freakin' huge

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KDxGP @kdxgp.bsky.social · 25/09/2025

If I pump my pump 🤔 ... will it get bigger? Latest custom-built "big blue" (4" x 7.87" x 12.3", kdxgp.github.io?c=%2332599c&...) next to 3.15" x 5.91" x 9.78"

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