Some of above symbols (C, D, LED, LDR, L, R, T, Zener, opamp, battery, F, lamp, fake GND) for LTspice XVII (for KiCad + ngspice see top posting), with Elektor’s Getting Started with LTspice example schematic (developed by B. Kainka). Assuming font Arial 24 Bold and stroke width of ⅛ grid spacing (for example, pen thickness of 10 for max. zoom). Symbol size has been increased by 27% (2 mm grid to 0.1 inch grid) or by 25% (2 mm grid to 2.5 mm metric grid), depending on paper size.
ElektuurLTspice.zip (40.7 KB)