Knotter is a free and open source interlace design editor application for Windows, Linux and MacOS. you can use this Knotter to all type of interlace patterns. This type of patterns are used as a decorations in many places example celtic knotworks.It comes with different knot shapes, knot styling, colors, multiple outlines and with transparency support. You can export your knot design to SVG, JPEG, PNG, Bitmap, Tiff and more.
Install Knotter on Ubuntu Linux
You cna install Knotter via the snap store. Open your terminal application using ctrl+alt+t keys and run below Knotter snap installation command . It will install the latest version of Knotter on your Ubuntu system. you can also install it via the Ubuntu software center.
sudo snap install knotter --beta
After the installation you can run below command to start Knotter.