Michael and Maya at the laptop in their home office

AutoCAD tools, built by an architect and his daughter.

Smart add-ons that do exactly what they should — no manual, no learning curve, no hassle.

30+
Years AutoCAD experience
12
Professional tools
100%
Made in Belgium
Michael and Maya at the laptop in their home office
Our story

A father, a daughter, and 30 years of AutoCAD

We are CompanionBits: a father and daughter, an architect and a software engineer.

It started at the kitchen table. While other families planned holidays, we tested CAD plugins together in our home office. Maya was still a child back then, but she was already helping hunt down what went wrong. Those evenings left their mark: the conviction that good software should never get in your way.

CompanionBits took its first real shape as Maya's bachelor's project at UCLL — awarded 19/20 — and grew from there into the suite you see today. Michael brings over 30 years of AutoCAD experience and knows every frustration of the trade from the inside. Maya turns that knowledge into code. One of us knows exactly where an architect gets stuck; the other knows how to fix it.

Our rule is simple: a tool is finished when it works the way it should. No manual, no learning curve, no hassle. A small mistake in a drawing can take hours to undo — so we build software that prevents those mistakes instead of causing them.

Everything is developed in Belgium, by the two of us. You design, calculate and draw. We make sure the software stays out of your way.

You draw. We keep the software out of your way.

Our powerful tools

Smart tools that do what you need: fast and hassle-free.

BasinCalc

Calculate the volume and surface area of infiltration and buffer basins in just a few clicks. Enter dimensions for rectangular basins, or import a DXF for free-form shapes. Results ready as PDF in no time.

HealthCheck

Checks every viewport for lock status, scale issues, inconsistent layers and empty viewports. Colored status dots show your drawing's health; fix problems with a single click.

StateSync

Links viewports to Layer States and keeps them in sync. Colored frames show status at a glance: blue in sync, orange modified, red broken.

LayoutPilot

Manages your layouts: navigate, edit page setups, and bulk actions like rename, duplicate and reorder. What AutoCAD itself doesn't offer.

BlitzDim

Place chain dimensions in AutoCAD in one go. Draw a cutting line, choose your layers and BlitzDim automatically places dimensions at every intersection. Done in seconds.

ModelSpinner

We re-invented the wheel. Rotate your model space or the view inside a viewport in AutoCAD with one click using a visual spinner wheel. Fixed angles, custom angles, or pick two points to align your plan perfectly.

SwiftSwitch

Organize your favorite layers, text styles, dimension styles, multileaders and linetypes into groups in AutoCAD. One click activates everything: style, layer and command at once.

QuickLister

Scan zones in your drawing and generate legends that stay linked. Hatches, blocks, linetypes and references: one scan, any legend, always in sync.

EgressChecker

Automatically calculate egress routes in your floor plan. EgressChecker draws shortest paths to exits and isodistance zones directly in your DWG.

RouteScouter

Calculate collision-free vehicle paths through tight spaces. Includes swept path visualization for rigid and articulated vehicles.

StyleFitter

Build a filter, hit search, and StyleFitter finds every matching object. Set the target layer, style and properties, and apply them to all at once to pull any drawing up to your standard.

BlockHub

A block library for AutoCAD that keeps your whole collection in one palette. Browse categories, see thumbnails, and place blocks with a single click, each on its own layer automatically.

100% free

Free SnipBits

Small AutoLISP tools we give away for free. Download, load in AutoCAD, and go.

Let's talk

Questions, feedback or just curious? We read every message ourselves.