3D CAD blocks are named groups of objects that work as a single 3D object and can be used to create repeated content to improve efficiency and reduce redundancy.
What is Houseplan?
Houseplan is a lightweight, powerful and easy-to-use 3D modeling and real-time rendering software application that can be used to create floor plans, houses, apartments, and building, etc. It is users-friendly for both beginners and seasoned professionals as its interface is very intuitive and tools easy-to-use. Houseplan is for anyone who looks to bring ideas to life.
How to add or create 3D blocks in 3D software Houseplan
With Houseplan, users can easily add 3D blocks such as furniture, persons, trees, cars, roads, windows, balconies, doors, glass curtain wall, etc.
To add glass curtain wall, find Building panel > Glass Curtain Wall, shown as below,
To add animated birds or persons, find Animation > Skeletal Animation, shown as below,
To add balconies, find Building > Balcony, shown as below,
Houseplan is easy-to-use even for beginners as many 3D blocks, models and entities can be easily added, for example, user can add balconies, windows, doors, rooftops, and outdoor stairs of different sides and styles. Houseplan also provides customizable material library that contains losts of material resources. Besides, Houseplan allows users to add entities and animation such as water, vegetation, terrain, etc.
Check the video for an overview of Houseplan
This above is about 3D CAD blocks in Houseplan, for more about 2D CAD blocks, please refer to this post:

