diff --git a/assets/bindcraft/fast_4stage_multimer.json b/assets/bindcraft/fast_4stage_multimer.json
new file mode 100644
index 0000000..8b29e04
--- /dev/null
+++ b/assets/bindcraft/fast_4stage_multimer.json
@@ -0,0 +1,67 @@
+{
+  "omit_AAs": "C",
+  "force_reject_AA": false,
+  "use_multimer_design": true,
+  "design_algorithm": "4stage",
+  "sample_models": true,
+  "rm_template_seq_design": false,
+  "rm_template_seq_predict": false,
+  "rm_template_sc_design": false,
+  "rm_template_sc_predict": false,
+  "predict_initial_guess": false,
+  "predict_bigbang": false,
+  "soft_iterations": 40,
+  "temporary_iterations": 20,
+  "hard_iterations": 3,
+  "greedy_iterations": 8,
+  "greedy_percentage": 5,
+  "save_design_animations": false,
+  "save_design_trajectory_plots": false,
+  "weights_plddt": 0.1,
+  "weights_pae_intra": 0.4,
+  "weights_pae_inter": 0.1,
+  "weights_con_intra": 1.0,
+  "weights_con_inter": 1.0,
+  "intra_contact_distance": 14.0,
+  "inter_contact_distance": 20.0,
+  "intra_contact_number": 2,
+  "inter_contact_number": 2,
+  "weights_helicity": -0.3,
+  "random_helicity": false,
+  "use_i_ptm_loss": true,
+  "weights_iptm": 0.05,
+  "use_rg_loss": true,
+  "weights_rg": 0.3,
+  "use_termini_distance_loss": false,
+  "weights_termini_loss": 0.1,
+  "cyclize_peptide": false,
+  "enable_mpnn": true,
+  "mpnn_fix_interface": true,
+  "num_seqs": 10,
+  "max_mpnn_sequences": 1,
+  "sampling_temp": 0.1,
+  "backbone_noise": 0.00,
+  "model_path": "v_48_020",
+  "mpnn_weights": "soluble",
+  "save_mpnn_fasta": false,
+  "num_recycles_design": 1,
+  "num_recycles_validation": 2,
+  "optimise_beta": true,
+  "optimise_beta_extra_soft": 0,
+  "optimise_beta_extra_temp": 0,
+  "optimise_beta_recycles_design": 2,
+  "optimise_beta_recycles_valid": 2,
+  "remove_unrelaxed_trajectory": true,
+  "remove_unrelaxed_complex": true,
+  "remove_binder_monomer": true,
+  "zip_animations": false,
+  "zip_plots": false,
+  "save_trajectory_pickle": false,
+  "max_trajectories": false,
+  "enable_rejection_check": true,
+  "acceptance_rate": 0.01,
+  "start_monitoring": 600,
+  "af_params_dir": "",
+  "dssp_path": "",
+  "dalphaball_path": ""
+}