Use VBA USer form to create 3D extrsion in Autocad
Refer previous articles (to create userform project)
http://www.computeraidedautomation.com/article/autocad-vba-create-circle-user-form
AUTOCAD DRAWING AUTOMATION FREE TUTORIALS
In this tutorial, we will see how to create your own command button and insert it to the custom toolbar (name it under your organization/institution). when you click on those buttons, it can perform certain pre-written actions like draw objects, add dimensions, change properties, change drawing scale, printing, export to other data formats like excel/access database. there will be more tutorials on each subject soon..
Now, let us begin with the basic toolbar/button creation
You can extract the data from an excel file (without opening it) and use it inside an AutoCAD file for drawing objects;
This is just an example on How to use the data from Excel Cells inside the CAD drawing to Automate the Autocad drawing process.
Don't forget to add Microsoft Excel Object Libraries (Tools->References) [AutoCAD VBA Editor]
Record a Solidworks macro
In this example we will discuss about “How to Record a Macro in Solidworks”
Open the Solidworks, Go to Tools -> Macro -> Record
Then start your project, in this example we will be making a cylinder (Draw circle and extrude it to Cylinder)
Create a New Part Document