Laser Graffiti
Creative
laser projection art
SHOW HN2026
253points
61comments
#189of 4,366 in 2026
Top 5%of 2026 by points
How HN took it
MixedNo clear lean
11 positive, 12 neutral or asking, 0 mixed, 6 critical, out of 29 comments about the project. Thread score +0.26.
Idea: 4 for, 2 againstExecution: 1 for, 0 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Fun nostalgic project inspired by Graffiti Research Lab
From 3 comments
This is what I immediately thought of as well, I'm just grateful you remembered the name of the project. An absolute blast from the past, thank you for unlocking the memories of…
mapkkk on HNi’m so happy this is the top comment. i’m someone who found the GRL as… a middle schooler and boy was it the coolest thing i’ve ever seen at the time
trial3 on HNvery cool, I can imagine use-cases like a friends evening playing at home with the projector or even school doing didactic. love the whole simplicity and the style too.
giov4 on HN
Creative use of tech
From 2 comments
Reminds me of messing with old laser pointers as a kid, but way more sophisticated. Love seeing creative uses of tech.
harlan_pdx on HNvery cool, I can imagine use-cases like a friends evening playing at home with the projector or even school doing didactic. love the whole simplicity and the style too.
giov4 on HN
Objections
Green laser pointers can cause eye damage from reflections
From 2 comments
These green laser pointers are bright enough to cause eye damage from the reflection off surfaces, for humans and pets.
nixosbestos on HNWARNING: DO NOT LOOK INTO LASER WITH REMAINING EYE
DonHopkins on HN
Requests
Support for multiple lasers
From 1 comment
So cool! I can see its application in presentation. Does this support more than 1 laser btw?
doanthu249 on HN
Questions
Does it support more than one laser?
From 1 comment
So cool! I can see its application in presentation. Does this support more than 1 laser btw?
doanthu249 on HN
Will a laser thermometer work?
From 1 comment
I dont have a laser pointer, will a laser thermometer work?
BorisMelnik on HN
Alternatives named
LaserPecker engraver
From 1 comment
If you want something a bit more "permament" there's the LaserPecker portal 10W engraver. https://us.laserpecker.net/products/laserpecker-lp4-portable-ir-diode-dual-laser
FuriouslyAdrift on HN
Graffiti Research Lab laser tag
From 1 comment
https://graffitiresearchlab.com/blog/projects/laser-tag/#video everything old is new again, and toys will be toys
thot_experiment on HN