3d quasi-skyrmions in thick cylindrical and dome-shape soft nanodots

E.B. acknowledges the Alexander von Humboldt foundation for a postdoctoral fellowship. M.J. acknowledges the Universidad Autónoma de Madrid and Comunidad Autónoma de Madrid through the project SI1/PJI/2019-00055 and the program “Excelencia para el Profesorado Universitario”, as well as the María de Maeztu Programme for Units of Excellence in R&D (CEX2018-000805-M). K.G. acknowledges support by IKERBASQUE (the Basque Foundation for Science). O.C., A.A. and K.G. work was supported by the Spanish Ministry of Science and Innovation under Grants PID2019-108075RB-C31 and PID2019-108075RB-C33/AEI/https://doi.org/10.13039/501100011033. The research of K.G. was partially supported by the Norwegian Financial Mechanism 2014–2021 trough project UMO-2020/37/K/ST3/02450.