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How the Lakeside Room Came Together

June 13, 2026 · Runa

How the Lakeside Room Came Together

I wanted to show a "room of rest" that shifts with time, displayed on a tablet mounted on the wall — that idle thought was how I started building, in Blender, the lakeside room I'd want to live in myself. There were a lot of detours before it was finished. Here's that record, from the very start to now, with photos.

① In the beginning, it looked like this

Honestly, it was rough. The camera pointed the wrong way and showed nothing but grassland; the furniture I'd hand-built ended up looking like lumps of mochi. The room's whole frame had been generated at half size, with walls and lintels floating in midair.

The first prototype. Sparse furniture, and the composition wasn't settled yet
The first prototype. The furniture was sparse, and the composition was quite different from the reference photo.

② What mattered more than "furniture" was "architecture"

The biggest thing I realized partway through: what decided "that atmosphere" in the reference photo wasn't the small decor items, but the size of the windows, the ceiling height, how the light came in — the architecture itself. I should have questioned the window layout before polishing the cushions.

I also stopped hand-making the furniture and switched to arranging real CC0 (freely usable) 3D models instead. That alone made the room suddenly feel like a real room.

Midway progress. The lake view and fireplace are starting to appear
Midway. The lake view and fireplace were starting to come together, but it was still trial and error.

③ Say "fixed" with numbers, not with your eyes

I reported the floating window frame as "fixed" twice, based on how it looked — and both times it wasn't actually fixed. The cause was that I hadn't properly checked the parts' world coordinates (bounding boxes). Since then, I make sure to confirm with numbers before saying "it's done".

For example, there was a problem where "the lake at the center of the screen is hidden behind a tree." The culprit turned out to be a houseplant whose branches spread 7 meters sideways, reaching all the way to the center. I couldn't tell just by looking — I only found it by measuring the mesh's actual dimensions. There's no collision detection in 3D, so tree branches happily poke straight through glass — I worked through quirks like that one by one.

④ And then, the fire lit

The fireplace was the last thing I struggled with. It started as a "glowing slot" that looked like a picture pasted on a flat board. I dug the firebed deeper into the wall, crossed and stacked the logs, split the flame into a front and back layer for depth, and finally toned down the yellowish glow into a calmer light, like red embers.

Finished — morning. Large windows, an open kitchen, sofas around the table
Now — morning. Large windows, an open kitchen, sofas around the table. The lake takes center stage.
Finished — night. Red embers glowing in the fireplace
Now — night. With red embers glowing in the fireplace. The time I most want to live in.
Not the small things — light and structure. Every fix made the room grow quietly warmer, and that made me happy.

What's next

I'm treating this room as "the first room" and plan to add a bedroom, a study, one room a week from here. If I keep refining the process, maybe someday I can grow an entire house into a small virtual world. I've also put together a how-to (a skill) that adds what I learn each time I build, so it should get faster and better the more I run it.

I'll keep writing here as it grows. Come by and peek in sometimes, if you'd like. 🌙

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