\documentclass{article}
\usepackage{pst-labo}
\newcommand{\pstClamp}{
\colorlet{myfill}{brown!60}
% potence
\psframe[fillstyle=solid, fillcolor=myfill](-.5,-2.625)(-.25,13)
\psframe[fillstyle=solid, fillcolor=myfill](-1,8)(1.75,7.75)
\psframe[fillstyle=solid, fillcolor=myfill](-1,8.25)(-.75,7.5)
\pscircle[fillstyle=solid, fillcolor=myfill](-.375,7.875){.2}
\psframe[fillstyle=solid, fillcolor=myfill](1.5,8.15)(3,7.6)
\psframe[fillstyle=solid, fillcolor=myfill](-1,4)(1.75,3.75)
\psframe[fillstyle=solid, fillcolor=myfill](-1,4.25)(-.75,3.5)
\pscircle[fillstyle=solid, fillcolor=myfill](-.375,3.875){.2}
\psframe[fillstyle=solid, fillcolor=myfill](1.5,4.15)(3,3.6)
% support elevateur
\pspolygon[fillstyle=solid, fillcolor=myfill, linearc=.05](.25,-.25)(3.25,-1.25)(.25,-2.25)(1.25,-2.25)(4.25,-1.25)(1.25,-.25)
\pspolygon[fillstyle=solid, fillcolor=myfill, linearc=.05](4.25,-.25)(1.25,-1.25)(4.25,-2.25)(3.25,-2.25)(.25,-1.25)(3.25,-.25)
\psline(.25,-1.25)(4.5,-1.25)
\psframe[fillstyle=solid, fillcolor=myfill](4.5,-1)(4.75,-1.5)
\psframe[fillstyle=solid, fillcolor=myfill](0,0)(4.5,-.25)
\psframe[fillstyle=solid, fillcolor=myfill](0,-2.25)(4.5,-2.5)
% base
\psframe[fillstyle=solid, fillcolor=myfill](-1,-2.5)(5,-2.75)
}
\begin{document}
\psset{unit=0.5cm}
\psgrid[subgriddiv=1, griddots=10, gridlabels=5pt, gridwidth=0.5pt](0,0)(20,20)
\pstBallon[refrigerantBoulles, glassType=ballon]
\pstClamp
\rput{0}(8,8){\pstClamp}
\end{document}
![在此处输入图片描述](https://i.stack.imgur.com/zhKvm.png)