In order to configure Simplify 3D for your Leapfrog 3D Printer, please follow the steps below:

This solution applies for:
Leapfrog Creatr Dual
Leapfrog Creatr HS
Leapfrog Creatr Single
Leapfrog Creatr XL

1. Open up Simplify 3D and go to the Help section, click on 'configuration assistant'.

2. Find your printer in the list and load the configuration;

3. Now you can select the profile added at step 2, from the profile dropdown inside the 'process settings'.