QUBIC - Smart Modular Building Tool

Qubic is a fast and intuitive editor tool for constructing architectural designs in Unity using modular prefabs.

Build buildings, rooms, bridges, and other structures directly in the Editor with grid-based logic — ideal for quick level design, visual prototyping, and flexible architectural layout.

Focus on creating levels, working on design, and refining your ideas.

Qubic will bring your ideas to life quickly and accurately, allowing you to see results instantly!

⚡ Key Features:

• 🧩 One-click prefab setup — Instantly prepare your models for use in the system.
• 🏗️ Modular grid building — Construct with snapping and smart prefab placement.
• 🧠 Smart blocks — Automatically place doors, arches, and connectors at room joints. Guarantees all rooms are connected on all levels of building.
• 🪑 Furniture & accessory placement — Easily add props inside rooms with placement rules.
• ✏️ Edit prefabs in place — Tweak and update prefabs directly in the scene.
• 🔁 Live structural updates — Instantly rebuild after every change inside the Editor.
• 🏢 Multi-floor support — Build complex, layered architecture with per-floor controls.
• 🧱 Included rooms types — Rooms with walls, windows, doors, stairs, atriums, balconies, fences, roofs, parapets, bridges, rails.
• ⚙️ Interior & exterior wall rules — Set up spawn behavior by floor and placement.
• ✨ Instant style switching — Change the look of the whole structure or per-room styles.
• 📦 L-corner and custom prefab sets — Supports more complex configurations.
• 🛠️ Freeform editing — Move, resize, draw and reshape rooms anytime.

Qubic is aimed at quick and easy creation of modular levels in the editor. At the same time, it is a very flexible and extensible tool.

[Discord] [Documentation]