Drawing Fillets
Creo Elements/Direct Drafting allows you to draw fillets in your drawing using 
Fillet.
Fillet.To draw a fillet:
1. Click Drafting and then, in the Engineering group, click the arrow next to Fillet.
Fillet.2. Click Radius.
Radius.3. Type the radius in the user input line and press ENTER.
4. Click the two elements between which the fillet should be drawn, or click the vertex.
The fillet radius is drawn and by default the corner point is deleted. If you do not want the corner to be deleted, click the Keep Corner check box before clicking the elements or vertex.