# Seve - This is what happens when you modify the...

Channel: #contributor
Source: https://discord.com/channels/1233487248129921135/1523111111115669586
Started: 2026-07-04T23:39:48.058000+00:00
Last activity: 2026-07-05T06:38:49.700000+00:00

## Seve — 2026-07-04T23:39:46.926000+00:00

This is what happens when you modify the roughness (matte-ness) of the board and add a bumpMap/normalMap
Attachment: CleanShot_2026-07-04_at_16.38.52.mp4 — https://cdn.discordapp.com/attachments/1265314333764878387/1523111108892823653/CleanShot_2026-07-04_at_16.38.52.mp4?ex=6a562002&is=6a54ce82&hm=ba93d62e9bd9c8710ef19f5b59e39161d132a7a8b11cf6d14a41f22c28a52077&

## Seve — 2026-07-04T23:41:49.778000+00:00

a bumpMap allows you to give a texture that changes how light reflects
Attachment: CleanShot_2026-07-04_at_16.41.17.mp4 — https://cdn.discordapp.com/attachments/1523111111115669586/1523111624892743830/CleanShot_2026-07-04_at_16.41.17.mp4?ex=6a56207d&is=6a54cefd&hm=a6a42424fee4253ab535422e9819a291caf2e53c0fc4f21d8bb46a4b4ad45d4a&

## Seve — 2026-07-04T23:42:07.974000+00:00

CC <@809856037376491570> i think in lighting mode we could maybe do this- it is not super performant

## Seve — 2026-07-04T23:48:38.589000+00:00

[attachment]
Attachment: CleanShot_2026-07-04_at_16.47.38.mp4 — https://cdn.discordapp.com/attachments/1523111111115669586/1523113340266746028/CleanShot_2026-07-04_at_16.47.38.mp4?ex=6a562216&is=6a54d096&hm=cd8888fb766aabe327f2308c9aa940f6f91dbe6b37f4f6ff0536a8a4337e580d&

## ! Rushabh | Linux Shill — 2026-07-05T06:00:20.925000+00:00

this should be the default

## ! Rushabh | Linux Shill — 2026-07-05T06:00:25.752000+00:00

imo

## Rishabh — 2026-07-05T06:03:52.299000+00:00

Yeah, pretty cool

## Seve — 2026-07-05T06:31:51.166000+00:00

Hehe im worried about perf but yea maybe!

## Seve — 2026-07-05T06:32:12.427000+00:00

I opened a pr on 3d viewer but dont really want to own it hahaha

## Rishabh — 2026-07-05T06:38:49.700000+00:00

I will check it out