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129
Account age
3 yrs
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$40 – $65 / sponsored post
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🧰 Free analysis for Philip Trettner
Known for
9 views
A quick capture of a small VR demo we're working on.
Real-time mesh booleans that cut an object (the statue) into pieces. The moment you fully disconnect a piece, it gets added to the physics as a rigid body.
PS: why don't modern physics engines support proper non-convex meshes as collision shapes?
7 views
A new fun little benchmark: A 10x10x10 grid of cubes: union them all into one solid block, then difference them all back out again. 1999 iterated ops whose correct result is... nothing (the empty set).
This Minecraft-esque case is relatively hard because the intermediate results are completely solid
7 views
Blender's python API is finally fast enough that interactive exact mesh booleans are feasible without forking:
https://solidean.com/blog/2026/solidean-hello-blender/
(This is pretty minimal for now: single-shot booleans, no attributes preserved, but has live preview & connected output topology)
Down
5 views
1st person survival game but with more realistic tree chopping
(silly solidean mesh boolean demo with godot + physics)
📊 Post engagement
5
Avg engagement / post
3.9%
Engagement vs followers
Jul 2023
On Mastodon since
🔥 Top post: A quick capture of a small VR demo we're working on. Real-time m · 9 likes + reposts
📊 Activity & format
Posting cadence
1.1 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 0 text · 7 image · 5 video.
Follower / following
0.6×
Follows 225 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗▶
🔥 Top post
A quick capture of a small VR demo we're working on.
Real-time mesh booleans that cut an object (the statue) into pieces. The moment you fully disconnect a piece, it gets added to the physics as a rigid body.
PS: why don't modern physics engines support proper non-convex meshes …
I love writing elaborate tools nowadays.
* fuzzy search against exported & demangled symbols to find address of my function
* windows debugger api to programmatically do a breakpoint and single-step trace on each hit until the function fra…
▶
Benchmark #4 is up! This time it is a simplified milling carve: chew a half-dome out of a solid block with up to 200,000 capsule subtractions, feeding each result back in as the next input.
It's like a 1 Billion Rows Challenge but for mesh…
Nothing beats finding MSVC compiler bugs on a Saturday evening.
Only in O2, only with const storage, only through a type erased function indirection: All other combinations and compilers return the proper "42" here.
But VS2026 (not VS2022)…
▶
A new fun little benchmark: A 10x10x10 grid of cubes: union them all into one solid block, then difference them all back out again. 1999 iterated ops whose correct result is... nothing (the empty set).
This Minecraft-esque case is relative…
1st person survival game but with more realistic tree chopping
(silly solidean mesh boolean demo with godot + physics)
▶
Blender's python API is finally fast enough that interactive exact mesh booleans are feasible without forking:
https://solidean.com/blog/2026/solidean-hello-blender/
(This is pretty minimal for now: single-shot booleans, no attributes pres…
▶
Urgh I need to capture this a bit better, but I'm pleased that the blender python mesh api is now fast enough that we can do a reasonable Blender-Solidean add-on.
Which means fully robust mesh booleans in blender.
With live updates.
(still…
As a treat, I added an interactive evaluation to my predicate/construction compiler interface. You see the values flowing through each subexpression.
My compiler infrastructure here has 3 big different IRs (Expr, Ring IR, Reg(ister) IR). B…
I've added some light "automated proving" capbilities to my geometric predicate generator.
(Context is still high performance mesh booleans, but this is applicable to so much more geometric computation)
With enough symbolic perturbation I …
It's kinda meditative to see a wooden bunny auto-carved in AR.
I'll try to figure out how to do video captures I promise :D"
(Still fiddling with the high-perf exact mesh booleans demo on the Quest 3...)
#geometry #ar #vr #quest3 #godot
I probably want to rewrite my "range checks" codegen. I hope there's a pattern that produces good assembly on all compilers. Also, maybe it's worth it to round the range up to the next power of two so we can shift instead. I'd have to meas…
🐘 Community & instance
Home server
fosstodon.org
A open-source software server — its members and audience skew toward that niche, so expect a community-aligned, engaged following.
✅ Link-verified
Verified link
Proved ownership of a website linked on their profile — Mastodon's green-check verification, a real identity signal rather than a paid badge.
On Mastodon since
Jul 2023
An established account with real history on the platform.
💡 Facts
🗓️Joined Mastodon in 2023 — 3 years ago.
👁️Averages 5 views per post.
📤Posts about 1.1× per week.
🕵️ Fake follower check
Estimated89/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% real, active audience · Low fake-follower risk.
- Strong engagement (~3.9% of followers engage each post) — an active, real audience.
- Verified account.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
Creator of https://solidean.com. High-performance exact geomety processing, C++ library author, enthusiast programming language architect, obsessive optimizer
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