Spacers for SIP measurement at laboratory scale

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# Laboratory-Scale Spacer Parts for Spectral Induced Polarization Measurement Spectral induced polarization (SIP) is an electrical method used in geophysics to measure the properties of subsurface materials. For accurate depth-dependent measurements, the spacing of electrodes must be adjusted accordingly. To facilitate laboratory-scale SIP measurements, a set of customizable parts has been designed. These parts allow researchers to tailor their experiments according to specific needs and measurement devices. However, it is essential to note that hole diameters may vary depending on the measurement device and printer used for production. These spacer parts were constructed in collaboration with Martin Sonntag, leveraging his expertise to create a tailored solution for SIP measurements. ## OpenSCAD Files and Documentation The OpenSCAD files necessary for constructing these parts can be found on GitHub at: https://github.com/gnibeil/SIP-spacers. Additionally, this repository contains documentation outlining the process of performing SIP measurements using these custom spacer parts. ## Spacer Part Variations There are three distinct types of spacer parts available: * Small holes in the center and large holes along the perimeter * Only small holes * Only large holes * These parts can be combined as needed to suit specific experimental requirements * It is crucial to verify hole size compatibility with measurement equipment