PDF to CAD Conversion

I need mechanical parts from PDF files converted to CAD format. The workflow is as follows:

1. Convert PDF to DXF
2. Convert DXF to CAD (STP format)

Preserve the following during conversion:
- Dimensions and measurements
- Line types and styles

Ideal Skills and Experience:
- Proficiency in CAD software, especially in STP format handling
- Experience with PDF to DXF and DXF to CAD conversions
- Attention to detail to ensure accuracy in dimensions and line types

PROJECT IS A LAMBRETTA ENGINE CASE