.SPT File

The spt file extension is mainly related to SpeedTree CAD software and used for one of its 3D data files. SpeedTree is used to for tree and vegetation modelling and rendering.

The typical spt file contains 3D tree graphics.

Files with spt extension can be mainly found as 3D data from SpeedTree program.

How to open:

You can open these programs using SpeedTree. Some 3rd party programs might also be able to open this format, but a special plugin needs to be installed.

How to convert:

Some 3D modeling tools can process and export this format to other 3D format, mainly for exchange purpose.