I haven't personally used Ollama Modelfile, but I think it should be relatively easy to convert from GGUF?
ollama run hf.co/{username}/{repository}
Example: ollama run hf.co/peakji/steiner-32b-preview-gguf:Q4_K_M
Source: https://huggingface.co/docs/hub/en/ollama
I haven't personally used Ollama Modelfile, but I think it should be relatively easy to convert from GGUF?