# LOFTPARAM System Variable [GstarCAD 2017](Help%20System/GSTARCAD/2017/Index.md) → [System Variables](Help%20System/GSTARCAD/2017/System%20Variables/(System%20Variables).md) → [L](Help%20System/GSTARCAD/2017/System%20Variables/L/(L).md) **Function Description:** The LOFTPARAM system variable is used to control the shapes for loft solids and surfaces. | | | | --- | --- | | Type | Bitcode | | Saved in | Drawing | | Initial value | 7 | | Range | 0 \~ 15 | **System Variable Value:** **1:** no twist(minimize the twist between cross sections) **2:** align direction(align the start and end directions for each section curves) **4:** simplify(generate simple solids and surface, such as cylinder or planes, rather than spline solids or surfaces ) **8:** close(close the surface or solid between the first and last cross section) --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md) · [GstarCAD 2018](../../../2018/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md) · [GstarCAD 2020](../../../2020/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md) · [GstarCAD 2022](Help%20System/GSTARCAD/2022/System%20Variables/L/LOFTPARAM%20System%20Variable--99a79e0b9a94.md)